| Countries by Number of Books Published | 0 | - | 4.95 | 73,107 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,020 |
| Authors by Picture | 0 | - | 4.48 | 25,636 |
| Military History Vocabulary | 0 | - | 4.92 | 67,647 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,235 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,759 |
| Name the English Monarchs | 0 | - | 4.91 | 506,481 |
| WWII Geography | 0 | - | 4.81 | 121,264 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,260 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,932 |
| Empires by Maps | 0 | - | 4.98 | 122,140 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,616 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,156 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,623 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,618 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,440 |
| Metals of Antiquity | 0 | - | 4.95 | 93,934 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,770 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,544 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,151 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,006 |
| History - Did They Have It? | 0 | - | 4.85 | 62,247 |
| Words for Leaders | 0 | - | 4.78 | 258,979 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,334 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,063 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,646 |
| Influential Women in History | 0 | - | 4.43 | 36,495 |
| Cradles of Civilization | 0 | - | 4.46 | 40,480 |
| Popular Royal Names | 0 | - | 4.27 | 125,383 |
| Materials From History #1 | 0 | - | 4.56 | 52,074 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,273 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,814 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,210 |
| First Names of Painters | 0 | - | 4.43 | 60,058 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,646 |
| Famous Explorers | 0 | - | 4.58 | 36,386 |
| Famous Empires by Description | 0 | - | 4.72 | 118,995 |
| Answers by Time Period | 0 | - | 4.64 | 55,889 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 41,620 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,739 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,246 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| UN Secretaries-General | 0 | - | 4.40 | 7,847 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,693 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,269 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,723 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,195 |
| Books by Country Quiz | 0 | - | 4.30 | 32,315 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,455 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,058 |
| Countries with NO Military | 0 | - | 4.97 | 63,429 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,799 |
| NATO Countries | 0 | - | 4.98 | 283,505 |
| EU Countries Quiz | 0 | - | 4.99 | 278,006 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,430 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,162 |
| Books of the Protestant Bible | 0 | - | 4.85 | 211,970 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,793 |
| Former Flags | 0 | - | 4.97 | 108,610 |
| Years in History by Picture | 0 | - | 4.45 | 35,827 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,847 |
| Materials From History #2 | 0 | - | 4.59 | 31,612 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,452 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,826 |
| WWII Decoder | 0 | - | 4.41 | 53,825 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,813 |
| Cold War Decoder | 0 | - | 4.83 | 52,655 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,495 |
| Events in History #2 | 0 | - | 4.49 | 71,969 |
| Events in History #3 | 0 | - | 4.41 | 71,905 |
| Events in History #4 | 0 | - | 4.44 | 44,486 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,942 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,172 |
| Assassinations in History | 0 | - | 4.21 | 66,433 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,794 |
| Famous Seconds | 0 | - | 4.22 | 46,873 |
| Ages and Eras | 0 | - | 4.39 | 67,935 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,571 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,929 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,312 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,151 |
| Female Historical Figures | 0 | - | 4.28 | 33,382 |
| Historical Blunders | 0 | - | 4.34 | 92,711 |
| People Who Died in Battle | 0 | - | 4.35 | 22,374 |
| Territorial Accessions | 0 | - | 4.34 | 34,937 |
| People Known as "The Great" | 0 | - | 4.46 | 24,801 |
| This Day in History - July | 0 | - | 4.49 | 36,515 |
| This Day in History - August | 0 | - | 4.42 | 43,428 |
| This Day in History - September | 0 | - | 4.55 | 57,575 |
| This Day in History - October | 0 | - | 4.49 | 37,690 |
| This Day in History - January | 0 | - | 4.48 | 46,796 |
| This Day in History - March | 0 | - | 4.45 | 43,750 |
| Ancient Civilizations | 0 | - | 4.64 | 38,140 |
| The Places They Went #1 | 0 | - | 4.74 | 33,575 |
| Famous Inventors | 0 | - | 4.44 | 43,601 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,266 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,679 |
| European History for Dummies | 0 | - | 4.83 | 90,393 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,971 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,957 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,016,573 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,314 |
| Coldest World Capitals | 0 | - | 4.95 | 134,168 |
| World Currency Quiz | 0 | - | 4.92 | 306,852 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 336,965 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,713 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,167 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,163 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,697 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,707 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,164 |
| Buddhist Countries | 0 | - | 4.96 | 145,119 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,588 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,856 |
| The 2nd Millennium BC | 0 | - | 4.64 | 21,007 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,447 |
| History Analogies #1 | 0 | - | 4.53 | 90,383 |
| History Analogies #2 | 0 | - | 4.49 | 77,506 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,977 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,331 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,214 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,514 |
| History Analogies #3 | 0 | - | 4.61 | 80,951 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Which Came First? | 0 | - | 4.37 | 75,045 |
| Russian History A-Z | 0 | - | 4.35 | 32,227 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,243 |
| Random History by Country | 0 | - | 4.53 | 35,010 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,152 |
| Animals in World History | 0 | - | 4.74 | 44,677 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,121 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,756 |
| History True or False #3 | 0 | - | 4.43 | 57,254 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,040 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,448 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,003 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,308 |
| A to Z: Legendary Creatures | 0 | - | 4.28 | 53,300 |
| WWII First Names | 0 | - | 4.45 | 41,969 |
| WWII for Dummies | 0 | - | 4.78 | 105,690 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,569 |
| Events in History #1 | 0 | - | 4.35 | 158,159 |
| Events in Ancient History | 0 | - | 4.50 | 36,176 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,776 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,527 |
| Deaths by Date and Cause #2 | 0 | - | 4.16 | 67,990 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,445 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,873 |
| Political Quotes | 0 | - | 4.17 | 19,951 |
| This Day in History - April | 0 | - | 4.40 | 44,511 |
| This Day in History - May | 0 | - | 4.33 | 48,472 |
| This Day in History - June | 0 | - | 4.32 | 33,549 |
| This Day in History - November | 0 | - | 4.24 | 33,649 |
| This Day in History - December | 0 | - | 4.32 | 40,601 |
| This Day in History - February | 0 | - | 4.38 | 39,879 |
| The 19th Century | 0 | - | 4.53 | 68,289 |
| The 18th Century | 0 | - | 4.53 | 53,435 |
| The 16th Century | 0 | - | 4.77 | 58,980 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,788 |
| The 21st Century | 0 | - | 4.47 | 106,446 |
| Battle to Country | 0 | - | 4.91 | 53,973 |
| The Life of King David | 0 | - | 4.37 | 14,146 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,324 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,800 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,205 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,891 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,601 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,528 |
| Trace the Route of Marco Polo on a Map | 0 | - | 5.00 | 42,580 |
| English Royal Consorts | 0 | - | 4.38 | 37,528 |
| British History A-Z #1 | 0 | - | 4.45 | 47,266 |
| Kings of France Quiz | 0 | - | 4.21 | 32,931 |
| Dark Ages History | 0 | - | 4.42 | 32,822 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 61,260 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,674 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,671 |
| Monarchies of Europe | 0 | - | 4.90 | 98,886 |
| Monarchies of Asia | 0 | - | 4.97 | 71,513 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,310 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,159 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,177 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,489 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,787 |
| Richest Island Countries | 0 | - | 4.85 | 101,226 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,942 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,477 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,927 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,997 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,097 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,834 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,565 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,450 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,783 |
| Orthodox Countries | 0 | - | 4.92 | 132,817 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,208 |
| The Sun Quiz | 0 | - | 4.93 | 35,107 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,217 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,986 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,355 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,504 |
