diff --git a/config/page_map.yaml b/config/page_map.yaml
index 82a741d..8f94c3b 100644
--- a/config/page_map.yaml
+++ b/config/page_map.yaml
@@ -1,289 +1,289 @@
 chapters:
   1:
     title: 'Chapter 1: Old Worlds and New'
-    real_page: null
+    real_page: 2
     sections:
-      'An Old World: North America': null
-      'An Old World: West Africa': null
-      'An Old World: Western Europe': null
-      Contact: null
-      The Spanish Empire: null
-      The French and Dutch Empires: null
-      Chapter Review: null
+      'An Old World: North America': 4
+      'An Old World: West Africa': 9
+      'An Old World: Western Europe': 11
+      Contact: 13
+      The Spanish Empire: 18
+      The French and Dutch Empires: 27
+      Chapter Review: 33
   2:
     title: 'Chapter 2: European Colonies and Native Nations, 1600⠍1660'
-    real_page: null
+    real_page: 40
     sections:
-      England and the Americas: null
-      Early English Exploration and Colonization: null
-      The Chesapeake: null
-      Origins of American Slavery: null
-      The New England Way: null
-      New Englanders Divided: null
-      Religion, Politics, and Freedom: null
-      Chapter Review: null
+      England and the Americas: 42
+      Early English Exploration and Colonization: 46
+      The Chesapeake: 48
+      Origins of American Slavery: 51
+      The New England Way: 55
+      New Englanders Divided: 62
+      Religion, Politics, and Freedom: 68
+      Chapter Review: 74
   3:
     title: 'Chapter 3: Creating Anglo-America, 1660⠍1750'
-    real_page: null
+    real_page: 78
     sections:
-      Global Competition and the Expansion of England⠒s Empire: null
-      Entrenchment of American Slavery: null
-      Colonies in Crisis: null
-      The Growth of Colonial America: null
-      Social Classes in the British Colonies: null
-      North America at Mid-Century: null
-      Chapter Review: null
+      Global Competition and the Expansion of England⠒s Empire: 79
+      Entrenchment of American Slavery: 84
+      Colonies in Crisis: 88
+      The Growth of Colonial America: 93
+      Social Classes in the British Colonies: 100
+      North America at Mid-Century: 104
+      Chapter Review: 106
   4:
     title: 'Chapter 4: Slavery, Freedom, and the Struggle for Empire to 1763'
-    real_page: null
+    real_page: 110
     sections:
-      Slavery and Empire: null
-      Slave Cultures and Slave Resistance: null
-      An Empire of Freedom: null
-      The Public Sphere: null
-      The Great Awakening: null
-      Imperial Rivalries: null
-      Battle for the Continent: null
-      Chapter Review: null
+      Slavery and Empire: 111
+      Slave Cultures and Slave Resistance: 116
+      An Empire of Freedom: 118
+      The Public Sphere: 120
+      The Great Awakening: 125
+      Imperial Rivalries: 126
+      Battle for the Continent: 130
+      Chapter Review: 139
   5:
     title: 'Chapter 5: The American Revolution, 1763⠍1783'
-    real_page: null
+    real_page: 146
     sections:
-      The Crisis Begins: null
-      The Road to Revolution: null
-      The Coming of Independence: null
-      Securing Independence: null
-      Chapter Review: null
+      The Crisis Begins: 147
+      The Road to Revolution: 150
+      The Coming of Independence: 153
+      Securing Independence: 162
+      Chapter Review: 172
   6:
     title: 'Chapter 6: The Revolution Within'
-    real_page: null
+    real_page: 176
     sections:
-      Democratizing Freedom: null
-      Toward Religious Toleration: null
-      Defining Economic Freedom: null
-      The Limits of Liberty: null
-      Slavery and the Revolution: null
-      Daughters of Liberty: null
-      Chapter Review: null
+      Democratizing Freedom: 178
+      Toward Religious Toleration: 181
+      Defining Economic Freedom: 184
+      The Limits of Liberty: 186
+      Slavery and the Revolution: 189
+      Daughters of Liberty: 196
+      Chapter Review: 198
   7:
     title: 'Chapter 7: Founding a Nation, 1783⠍1791'
-    real_page: null
+    real_page: 202
     sections:
-      America Under the Confederation: null
-      A New Constitution: null
-      The Ratification Debate and the Origin of the Bill of Rights: null
-      "“We the Peopleâ€\x9D": null
-      Chapter Review: null
+      America Under the Confederation: 204
+      A New Constitution: 208
+      The Ratification Debate and the Origin of the Bill of Rights: 213
+      "“We the Peopleâ€\x9D": 219
+      Chapter Review: 225
   8:
     title: 'Chapter 8: Securing the Republic, 1791⠍1815'
-    real_page: null
+    real_page: 230
     sections:
-      Politics in an Age of Passion: null
-      The Adams Presidency: null
-      Jefferson in Power: null
-      "The “Second War of Independenceâ€\x9D": null
-      Chapter Review: null
+      Politics in an Age of Passion: 231
+      The Adams Presidency: 237
+      Jefferson in Power: 243
+      "The “Second War of Independenceâ€\x9D": 249
+      Chapter Review: 254
   9:
     title: 'Chapter 9: The Market Revolution, 1800⠍1840'
-    real_page: null
+    real_page: 261
     sections:
-      A New Economy: null
-      The Rise of the West: null
-      Market Society: null
-      The Free Individual: null
-      The Limits of Prosperity: null
-      Chapter Review: null
+      A New Economy: 262
+      The Rise of the West: 265
+      Market Society: 269
+      The Free Individual: 279
+      The Limits of Prosperity: 284
+      Chapter Review: 288
   10:
     title: 'Chapter 10: Democracy in America, 1815⠍1840'
-    real_page: null
+    real_page: 294
     sections:
-      The Triumph of Democracy: null
-      Nationalism and Its Discontents: null
-      Nation, Section, and Party: null
-      The Age of Jackson: null
-      Indian Removal: null
-      The Bank War and After: null
-      Chapter Review: null
+      The Triumph of Democracy: 295
+      Nationalism and Its Discontents: 300
+      Nation, Section, and Party: 303
+      The Age of Jackson: 308
+      Indian Removal: 313
+      The Bank War and After: 318
+      Chapter Review: 322
   11:
     title: 'Chapter 11: The Peculiar Institution'
-    real_page: null
+    real_page: 326
     sections:
-      The Old South: null
-      Life Under Slavery: null
-      Slave Culture: null
-      Resistance to Slavery: null
-      Chapter Review: null
+      The Old South: 327
+      Life Under Slavery: 334
+      Slave Culture: 338
+      Resistance to Slavery: 342
+      Chapter Review: 349
   12:
     title: 'Chapter 12: An Age of Reform, 1820⠍1840'
-    real_page: null
+    real_page: 356
     sections:
-      The Reform Impulse: null
-      The Crusade Against Slavery: null
-      Black and White Abolitionism: null
-      The Origins of Feminism: null
-      Chapter Review: null
+      The Reform Impulse: 357
+      The Crusade Against Slavery: 363
+      Black and White Abolitionism: 369
+      The Origins of Feminism: 372
+      Chapter Review: 380
   13:
     title: 'Chapter 13: A House Divided, 1840⠍1861'
-    real_page: null
+    real_page: 384
     sections:
-      Fruits of Manifest Destiny: null
-      A Dose of Arsenic: null
-      The Rise of the Republican Party: null
-      The Emergence of Lincoln: null
-      The Impending Crisis: null
-      Chapter Review: null
+      Fruits of Manifest Destiny: 385
+      A Dose of Arsenic: 395
+      The Rise of the Republican Party: 400
+      The Emergence of Lincoln: 404
+      The Impending Crisis: 413
+      Chapter Review: 416
   14:
     title: 'Chapter 14: A New Birth of Freedom: The Civil War, 1861⠍1865'
-    real_page: null
+    real_page: 420
     sections:
-      The First Modern War: null
-      The Coming of Emancipation: null
-      The Second American Revolution: null
-      The Confederate Nation: null
-      Turning Points: null
-      Rehearsals for Reconstruction and the End of the War: null
-      Chapter Review: null
+      The First Modern War: 421
+      The Coming of Emancipation: 427
+      The Second American Revolution: 433
+      The Confederate Nation: 443
+      Turning Points: 448
+      Rehearsals for Reconstruction and the End of the War: 451
+      Chapter Review: 457
   15:
     title: "Chapter 15: “What Is Freedom?â€\x9D: Reconstruction"
-    real_page: null
+    real_page: 462
     sections:
-      The Meaning of Freedom: null
-      The Making of Radical Reconstruction: null
-      Radical Reconstruction in the South: null
-      The Overthrow of Reconstruction: null
-      Chapter Review: null
+      The Meaning of Freedom: 463
+      The Making of Radical Reconstruction: 473
+      Radical Reconstruction in the South: 482
+      The Overthrow of Reconstruction: 486
+      Chapter Review: 492
   16:
     title: 'Chapter 16: America⠒s Gilded Age, 1870⠍1890'
-    real_page: null
+    real_page: 500
     sections:
-      The Second Industrial Revolution: null
-      Freedom in the Gilded Age: null
-      Labor and the Republic: null
-      The Transformation of the West: null
-      Politics in a Gilded Age: null
-      Chapter Review: null
+      The Second Industrial Revolution: 501
+      Freedom in the Gilded Age: 508
+      Labor and the Republic: 510
+      The Transformation of the West: 515
+      Politics in a Gilded Age: 528
+      Chapter Review: 531
   17:
     title: 'Chapter 17: Freedom⠒s Boundaries, at Home and Abroad, 1890⠍1900'
-    real_page: null
+    real_page: 538
     sections:
-      The Populist Challenge: null
-      The Segregated South: null
-      Redrawing the Boundaries: null
-      Becoming a World Power: null
-      Chapter Review: null
+      The Populist Challenge: 539
+      The Segregated South: 546
+      Redrawing the Boundaries: 553
+      Becoming a World Power: 558
+      Chapter Review: 569
   18:
     title: 'Chapter 18: The Progressive Era, 1900⠍1916'
-    real_page: null
+    real_page: 576
     sections:
-      An Urban Age and a Consumer Society: null
-      Varieties of Progressivism: null
-      The Politics of Progressivism: null
-      The Progressive Presidents: null
-      Chapter Review: null
+      An Urban Age and a Consumer Society: 578
+      Varieties of Progressivism: 583
+      The Politics of Progressivism: 593
+      The Progressive Presidents: 599
+      Chapter Review: 605
   19:
     title: 'Chapter 19: Safe for Democracy: The United States and World War I'
-    real_page: null
+    real_page: 610
     sections:
-      An Era of Intervention: null
-      America and the Great War: null
-      The War at Home: null
-      Who Is an American?: null
-      '1919': null
-      Chapter Review: null
+      An Era of Intervention: 612
+      America and the Great War: 615
+      The War at Home: 619
+      Who Is an American?: 625
+      '1919': 635
+      Chapter Review: 641
   20:
     title: 'Chapter 20: From Business Culture to Great Depression: The Twenties, 1920⠍1932'
-    real_page: null
+    real_page: 646
     sections:
-      The Business of America: null
-      Business and Government: null
-      The Birth of Civil Liberties: null
-      The Culture Wars: null
-      The Great Depression: null
-      Chapter Review: null
+      The Business of America: 648
+      Business and Government: 652
+      The Birth of Civil Liberties: 655
+      The Culture Wars: 659
+      The Great Depression: 668
+      Chapter Review: 674
   21:
     title: 'Chapter 21: The New Deal, 1932⠍1940'
-    real_page: null
+    real_page: 678
     sections:
-      The First New Deal: null
-      The Grassroots Revolt: null
-      The Second New Deal: null
-      A Reckoning With Liberty: null
-      The Limits of Change: null
-      A New Conception of America: null
-      Chapter Review: null
+      The First New Deal: 680
+      The Grassroots Revolt: 687
+      The Second New Deal: 691
+      A Reckoning With Liberty: 693
+      The Limits of Change: 697
+      A New Conception of America: 702
+      Chapter Review: 708
   22:
     title: 'Chapter 22: Fighting for the Four Freedoms: World War II, 1941⠍1945'
-    real_page: null
+    real_page: 712
     sections:
-      Fighting World War II: null
-      The Home Front: null
-      Visions of Postwar Freedom: null
-      The American Dilemma: null
-      The End of the War: null
-      Chapter Review: null
+      Fighting World War II: 714
+      The Home Front: 722
+      Visions of Postwar Freedom: 727
+      The American Dilemma: 729
+      The End of the War: 741
+      Chapter Review: 746
   23:
     title: 'Chapter 23: The United States and the Cold War, 1945⠍1953'
-    real_page: null
+    real_page: 753
     sections:
-      Origins of the Cold War: null
-      The Cold War and the Idea of Freedom: null
-      The Truman Presidency: null
-      The Anticommunist Crusade: null
-      Chapter Review: null
+      Origins of the Cold War: 755
+      The Cold War and the Idea of Freedom: 763
+      The Truman Presidency: 765
+      The Anticommunist Crusade: 769
+      Chapter Review: 778
   24:
     title: 'Chapter 24: An Affluent Society, 1953⠍1960'
-    real_page: null
+    real_page: 782
     sections:
-      The Golden Age: null
-      The Eisenhower Era: null
-      The Freedom Movement: null
-      The Election of 1960: null
-      Chapter Review: null
+      The Golden Age: 784
+      The Eisenhower Era: 792
+      The Freedom Movement: 799
+      The Election of 1960: 808
+      Chapter Review: 810
   25:
     title: 'Chapter 25: The Sixties, 1960⠍1968'
-    real_page: null
+    real_page: 814
     sections:
-      The Civil Rights Revolution: null
-      The Kennedy Years: null
-      Lyndon Johnson⠒s Presidency: null
-      The Changing Black Movement: null
-      Vietnam and the New Left: null
-      The New Movements and the Rights Revolution: null
-      '1968': null
-      Chapter Review: null
+      The Civil Rights Revolution: 816
+      The Kennedy Years: 818
+      Lyndon Johnson⠒s Presidency: 821
+      The Changing Black Movement: 826
+      Vietnam and the New Left: 830
+      The New Movements and the Rights Revolution: 838
+      '1968': 844
+      Chapter Review: 848
   26:
     title: 'Chapter 26: The Conservative Turn, 1969⠍1988'
-    real_page: null
+    real_page: 852
     sections:
-      President Nixon: null
-      Grassroots Rights Movements: null
-      Foreign Policy and Watergate: null
-      The End of the Golden Age: null
-      The Rising Tide of Conservatism: null
-      The Reagan Revolution: null
-      Chapter Review: null
+      President Nixon: 853
+      Grassroots Rights Movements: 857
+      Foreign Policy and Watergate: 859
+      The End of the Golden Age: 864
+      The Rising Tide of Conservatism: 872
+      The Reagan Revolution: 877
+      Chapter Review: 885
   27:
     title: 'Chapter 27: A New World Order, 1989⠍2004'
-    real_page: null
+    real_page: 892
     sections:
-      The Post⠍Cold War World: null
-      Globalization and Its Discontents: null
-      Culture Wars: null
-      Impeachment and the Election of 2000: null
-      The Attacks of September 11: null
-      The War on Terrorism: null
-      An American Empire?: null
-      The Aftermath of September 11 at Home: null
-      Chapter Review: null
+      The Post⠍Cold War World: 893
+      Globalization and Its Discontents: 898
+      Culture Wars: 905
+      Impeachment and the Election of 2000: 917
+      The Attacks of September 11: 919
+      The War on Terrorism: 920
+      An American Empire?: 922
+      The Aftermath of September 11 at Home: 924
+      Chapter Review: 929
   28:
     title: 'Chapter 28: A Divided Nation'
-    real_page: null
+    real_page: 934
     sections:
-      The Winds of Change: null
-      The Great Recession: null
-      Obama in Office: null
-      The Obama Presidency: null
-      President Trump: null
-      '2020: Year of Crisis': null
-      Freedom in the Twenty-First Century: null
-      Chapter Review: null
+      The Winds of Change: 935
+      The Great Recession: 939
+      Obama in Office: 943
+      The Obama Presidency: 946
+      President Trump: 953
+      '2020: Year of Crisis': 962
+      Freedom in the Twenty-First Century: 967
+      Chapter Review: 972
\ No newline at end of file
diff --git a/notebooks/pdf_parse.ipynb b/notebooks/pdf_parse.ipynb
index d5b36ad..7e41deb 100644
--- a/notebooks/pdf_parse.ipynb
+++ b/notebooks/pdf_parse.ipynb
@@ -2,7 +2,7 @@
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-   "execution_count": 59,
+   "execution_count": 1,
    "id": "e91fd8c7",
    "metadata": {},
    "outputs": [
@@ -20,7 +20,7 @@
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   {
    "cell_type": "code",
-   "execution_count": 60,
+   "execution_count": 18,
    "id": "11896305",
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    "outputs": [
@@ -262,7 +262,7 @@
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+   "execution_count": 19,
    "id": "991dbad2",
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    "outputs": [
@@ -496,7 +496,7 @@
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    "outputs": [
@@ -561,7 +561,7 @@
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    "cell_type": "code",
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+   "execution_count": 5,
    "id": "149bc714",
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    "outputs": [
@@ -596,7 +596,7 @@
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@@ -644,7 +644,7 @@
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    "id": "f1830bd0",
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    "outputs": [
@@ -679,7 +679,7 @@
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    "cell_type": "code",
-   "execution_count": 66,
+   "execution_count": 8,
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    "metadata": {},
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@@ -722,7 +722,7 @@
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-   "execution_count": 67,
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@@ -761,7 +761,7 @@
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    "id": "b4b3ffea",
    "metadata": {},
    "outputs": [
@@ -791,7 +791,7 @@
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@@ -888,7 +888,7 @@
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@@ -1060,7 +1060,7 @@
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@@ -1173,7 +1173,7 @@
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@@ -1217,7 +1217,7 @@
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@@ -1276,7 +1276,7 @@
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@@ -1297,7 +1297,7 @@
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