| Countries by Number of Books Published | 0 | - | 4.95 | 73,120 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,040 |
| Authors by Picture | 0 | - | 4.48 | 25,637 |
| Military History Vocabulary | 0 | - | 4.92 | 67,675 |
| "Second Best" History Edition | 0 | - | 4.94 | 64,268 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,624 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,763 |
| Name the English Monarchs | 0 | - | 4.91 | 506,729 |
| WWII Geography | 0 | - | 4.81 | 121,336 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,314 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,993 |
| Empires by Maps | 0 | - | 4.98 | 122,210 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,642 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 54,177 |
| The 7 Wonders of the Ancient World | 0 | - | 4.86 | 82,632 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,445 |
| Metals of Antiquity | 0 | - | 4.95 | 93,949 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,780 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,549 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,165 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,024 |
| History - Did They Have It? | 0 | - | 4.85 | 62,257 |
| Words for Leaders | 0 | - | 4.78 | 259,009 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,341 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,068 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,653 |
| Influential Women in History | 0 | - | 4.43 | 36,513 |
| Cradles of Civilization | 0 | - | 4.46 | 40,492 |
| Popular Royal Names | 0 | - | 4.27 | 125,393 |
| Materials From History #1 | 0 | - | 4.56 | 52,084 |
| Historical Countries by Ruler | 0 | - | 4.48 | 49,289 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,822 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,265 |
| First Names of Painters | 0 | - | 4.43 | 60,066 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 146,674 |
| Famous Explorers | 0 | - | 4.58 | 36,389 |
| Famous Empires by Description | 0 | - | 4.72 | 119,001 |
| Answers by Time Period | 0 | - | 4.64 | 55,894 |
| Coups d'Etat - Name the Country | 0 | - | 4.43 | 41,866 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,744 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,253 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| UN Secretaries-General | 0 | - | 4.40 | 7,850 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,694 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,275 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,731 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 50,207 |
| Books by Country Quiz | 0 | - | 4.30 | 32,318 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,529 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,140 |
| Countries with NO Military | 0 | - | 4.97 | 63,460 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,826 |
| NATO Countries | 0 | - | 4.98 | 283,581 |
| EU Countries Quiz | 0 | - | 4.99 | 278,101 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,500 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,232 |
| Books of the Protestant Bible | 0 | - | 4.85 | 212,018 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,888 |
| Former Flags | 0 | - | 4.97 | 108,641 |
| Years in History by Picture | 0 | - | 4.45 | 35,853 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,854 |
| Materials From History #2 | 0 | - | 4.59 | 31,613 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,468 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,847 |
| WWII Decoder | 0 | - | 4.41 | 53,846 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,847 |
| Cold War Decoder | 0 | - | 4.83 | 52,666 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,498 |
| Events in History #2 | 0 | - | 4.49 | 71,976 |
| Events in History #3 | 0 | - | 4.41 | 71,910 |
| Events in History #4 | 0 | - | 4.44 | 44,492 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,963 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 49,173 |
| Assassinations in History | 0 | - | 4.21 | 66,439 |
| Famous Founders in the U.S. | 0 | - | 4.02 | 34,800 |
| Famous Seconds | 0 | - | 4.22 | 46,875 |
| Ages and Eras | 0 | - | 4.39 | 67,943 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,576 |
| Titled People Quiz #1 | 0 | - | 4.11 | 45,930 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,313 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 76,151 |
| Female Historical Figures | 0 | - | 4.28 | 33,387 |
| Historical Blunders | 0 | - | 4.34 | 92,719 |
| People Who Died in Battle | 0 | - | 4.35 | 22,378 |
| Territorial Accessions | 0 | - | 4.34 | 34,943 |
| People Known as "The Great" | 0 | - | 4.46 | 24,802 |
| This Day in History - July | 0 | - | 4.49 | 36,516 |
| This Day in History - August | 0 | - | 4.42 | 43,430 |
| This Day in History - September | 0 | - | 4.55 | 57,578 |
| This Day in History - October | 0 | - | 4.49 | 37,690 |
| This Day in History - January | 0 | - | 4.48 | 46,799 |
| This Day in History - March | 0 | - | 4.45 | 43,752 |
| Ancient Civilizations | 0 | - | 4.64 | 38,146 |
| The Places They Went #1 | 0 | - | 4.74 | 33,577 |
| Famous Inventors | 0 | - | 4.44 | 43,602 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,274 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,683 |
| European History for Dummies | 0 | - | 4.83 | 90,408 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,976 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,970 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.08 | 1,016,654 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,340 |
| Coldest World Capitals | 0 | - | 4.95 | 134,179 |
| World Currency Quiz | 0 | - | 4.92 | 306,961 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,015 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,739 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,183 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,176 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,709 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,750 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,187 |
| Buddhist Countries | 0 | - | 4.96 | 145,139 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,726 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,920 |
| The 2nd Millennium BC | 0 | - | 4.64 | 21,009 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,449 |
| History Analogies #1 | 0 | - | 4.53 | 90,385 |
| History Analogies #2 | 0 | - | 4.49 | 77,508 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,985 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 65,332 |
| Current Events by Year, 1930–1949 | 0 | - | 4.47 | 52,216 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,522 |
| History Analogies #3 | 0 | - | 4.61 | 80,956 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,759 |
| Which Came First? | 0 | - | 4.37 | 75,053 |
| Russian History A-Z | 0 | - | 4.35 | 32,241 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,244 |
| Random History by Country | 0 | - | 4.53 | 35,014 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,166 |
| Animals in World History | 0 | - | 4.74 | 44,683 |
| People - Real or Fictional? | 0 | - | 4.56 | 59,128 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,760 |
| History True or False #3 | 0 | - | 4.43 | 57,256 |
| World Leaders of the World Wars | 0 | - | 4.36 | 38,050 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,459 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.16 | 64,032 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 78,320 |
| A to Z: Legendary Creatures | 0 | - | 4.28 | 53,312 |
| WWII First Names | 0 | - | 4.45 | 41,980 |
| WWII for Dummies | 0 | - | 4.78 | 105,729 |
| Cold War Trivia #1 | 0 | - | 4.42 | 57,574 |
| Events in History #1 | 0 | - | 4.35 | 158,170 |
| Events in Ancient History | 0 | - | 4.50 | 36,187 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,779 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 95,533 |
| Deaths by Date and Cause #2 | 0 | - | 4.16 | 67,994 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 74,455 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,886 |
| Political Quotes | 0 | - | 4.17 | 19,952 |
| This Day in History - April | 0 | - | 4.40 | 44,512 |
| This Day in History - May | 0 | - | 4.33 | 48,474 |
| This Day in History - June | 0 | - | 4.32 | 33,550 |
| This Day in History - November | 0 | - | 4.24 | 33,650 |
| This Day in History - December | 0 | - | 4.32 | 40,603 |
| This Day in History - February | 0 | - | 4.38 | 39,879 |
| The 19th Century | 0 | - | 4.53 | 68,290 |
| 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 | 106,453 |
| Battle to Country | 0 | - | 4.91 | 53,995 |
| The Life of King David | 0 | - | 4.37 | 14,148 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,341 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,803 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,213 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,900 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,607 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,530 |
| English Royal Consorts | 0 | - | 4.38 | 37,536 |
| British History A-Z #1 | 0 | - | 4.45 | 47,276 |
| Kings of France Quiz | 0 | - | 4.21 | 32,935 |
| Dark Ages History | 0 | - | 4.42 | 32,823 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 61,266 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,035 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,690 |
| Monarchies of Europe | 0 | - | 4.90 | 98,907 |
| Monarchies of Asia | 0 | - | 4.97 | 71,523 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,312 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,190 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,209 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,513 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,800 |
| Richest Island Countries | 0 | - | 4.85 | 101,255 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,952 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,485 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,022 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,017 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,116 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,849 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,584 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,474 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,797 |
| Orthodox Countries | 0 | - | 4.92 | 132,841 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,229 |
| The Sun Quiz | 0 | - | 4.93 | 35,120 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,228 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,003 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,379 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,521 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,359 |
