| 1 | The Modern CIA: The History of America’s Central Intelligence Agency from the Cold War to Today | Charles River Editors | 2.7 hrs |
| 2 | The Battle of Lepanto: The History of the Decisive Naval Battle between the Ottoman Empire and the Holy League | Charles River Editors | 1.6 hrs |
| 3 | The Battle of Red Cliffs: The History and Legacy of the Decisive Battle Fought Near the Start of Ancient China's Three Kingdoms Period | Charles River Editors | 1.4 hrs |
| 4 | Robert Frost: The Life and Legacy of the Famous 20th Century American Poet | Charles River Editors | 1.3 hrs |
| 5 | The La Brea Tar Pits: The History and Legacy of One of the World’s Most Famous Fossil Sites | Charles River Editors | 1.5 hrs |
| 6 | The Santa Fe Trail: The History and Legacy of 19th Century America's Most Popular Overland Route to the Southwest | Charles River Editors | 2 hrs |
| 7 | Cinco de Mayo: The History of the Battle of Puebla and the Famous Holiday | Charles River Editors | 1.7 hrs |
| 8 | The OSS and CIA: The History of America’s Intelligence Community during World War II and the Establishment of the Central Intelligence Agency | Charles River Editors | 2.1 hrs |
| 9 | Ivan Pavlov: The Life and Legacy of the Famous Russian Psychologist | Charles River Editors | 1.5 hrs |
| 10 | Flinders Petrie: The Life and Legacy of the Father of Modern Egyptology | Charles River Editors | 2.5 hrs |
| 11 | Moses Fleetwood Walker: The Life and Legacy of the Last Black Man to Play Major League Baseball Before Jackie Robinson | Charles River Editors | 1.3 hrs |
| 12 | Huitzilopochtli: The History of the Aztec God of War and Human Sacrifice | Charles River Editors | 2 hrs |
| 13 | The Voyager Program: The History and Legacy of NASA's First Probes that Traveled to the Outer Solar System | Charles River Editors | 1.4 hrs |
| 14 | The Amber Road: The History and Legacy of the Ancient Trade Network that Moved Amber across Europe | Charles River Editors | 1.3 hrs |
| 15 | William Powell: The Life and Legacy of One of Early Hollywood's Most Acclaimed Actors | Charles River Editors | 1.5 hrs |
| 16 | The CIA: The History and Legacy of the Central Intelligence Agency | Charles River Editors | 4.2 hrs |
| 17 | Jackie Robinson and Moses Fleetwood Walker: The Lives and Careers of the Players Who Integrated Major League Baseball | Charles River Editors | 2.4 hrs |
| 18 | Tlaloc: The History of the Aztec God of Rain and Giver of Life | Charles River Editors | 2.2 hrs |
| 19 | Babe Ruth: The Life and Legacy of Major League Baseball's Most Famous Player | Charles River Editors | 1.5 hrs |
| 20 | Werewolves: The Legends and Folk Tales about Humans Shapeshifting into Wolves | Charles River Editors | 1.2 hrs |
| 21 | Charles Ponzi and the Ponzi Scheme: The History and Legacy of 20th Century America’s Most Famous Con Artist | Charles River Editors | 1.2 hrs |
| 22 | Samuel Colt: The Life and Legacy of the Man Who Invented America’s Most Famous Guns | Charles River Editors | 1.3 hrs |
| 23 | The Lost City of Ubar: The History and Legends of the Ancient Arabian City Known as the Atlantis of the Sands | Charles River Editors | 1.3 hrs |
| 24 | Madame de Pompadour: The Life and Legacy of French King Louis XV’s Chief Mistress | Charles River Editors | 1.4 hrs |
| 25 | Quetzalcoatl: The History and Legacy of the Feathered Serpent God in Mesoamerican Mythology | Charles River Editors | 1.9 hrs |
| 26 | The Viking Program: The History and Legacy of NASA's First Missions to Mars | Charles River Editors | 1.9 hrs |
| 27 | The Boxer Rebellion: The History and Legacy of the Anti-Imperialist Uprising in China at the End of the 19th Century | Charles River Editors | 1.9 hrs |
| 28 | The Roma: The History of the Romani People and the Controversial Persecutions of Them across Europe | Charles River Editors | 1.6 hrs |
| 29 | Soapy Smith: The Life and Legacy of the Wild West's Most Infamous Con Artist | Charles River Editors | 1.3 hrs |
| 30 | Emperor Hirohito: The Life and Legacy of Japan’s Ruler during World War II | Charles River Editors | 2.2 hrs |
| 31 | Scott Joplin: The Life and Legacy of the King of Ragtime | Charles River Editors | 1.4 hrs |
| 32 | The Battle of Shiroyama: The History and Legacy of the Samurai’s Last Stand in Japan | Charles River Editors | 1.4 hrs |
| 33 | The Battle of Sekigahara: The History and Legacy of the Battle that Unified Japan under the Tokugawa Shogunate | Charles River Editors | 1.5 hrs |
| 34 | Tom Horn: The Controversial Life and Legacy of One of the Wild West’s Most Famous Gunslingers | Charles River Editors | 1.4 hrs |
| 35 | The Maccabean Revolt: The History and Legacy of the Jewish Uprising against the Seleucid Empire that Restored Judea’s Religious Freedom | Charles River Editors | 1.6 hrs |
| 36 | Ty Cobb: The Life and Legacy of the Player Who Set the Most Major League Baseball Records | Charles River Editors | 1.3 hrs |
| 37 | The Studebaker Brothers: The Lives and Legacy of the Family Behind the Famous Automobile Company | Charles River Editors | 1.3 hrs |
| 38 | French Senegal: The History of the French Colony and Senegal’s Transition to Independence | Charles River Editors | 1.7 hrs |
| 39 | John Barrymore: The Life and Legacy of Early 20th Century America's Most Famous Actor | Charles River Editors | 1.4 hrs |
| 40 | Sekigahara and Shiroyama: The History of the Battles that Unified and Modernized Japan | Charles River Editors | 2.4 hrs |
| 41 | The FBI and J. Edgar Hoover: The History and Legacy of the Federal Bureau of Investigation Under Its First Director | Charles River Editors | 2.7 hrs |
| 42 | The Chisholm Trail: The History and Legacy of 19th Century America's Most Famous Cattle Drive Route | Charles River Editors | 1.8 hrs |
| 43 | D.W. Griffith: The Life and Legacy of the Hollywood Director Who Made The Birth of a Nation | Charles River Editors | 1.4 hrs |
| 44 | The Battle of Manzikert: The History and Legacy of the Seljuk Turks' Decisive Victory over the Byzantine Empire | Charles River Editors | 1.7 hrs |
| 45 | The Pioneer Program: The History and Legacy of NASA’s Unmanned Space Missions to the Outer Solar System | Charles River Editors | 1.8 hrs |
| 46 | NASA's Pioneer and Voyager Missions: The History and Legacy of the First Space Probes to Explore the Outer Solar System and Beyond | Charles River Editors | 2.5 hrs |
| 47 | The Leo Frank Case: The Controversial History of the Arrest and Trial of a Jewish Man Wrongly Convicted of Murder in the Early 20th Century | Charles River Editors | 1.2 hrs |
| 48 | The Dodo: The History and Legacy of the Extinct Flightless Bird | Charles River Editors | 1.4 hrs |
| 49 | Fritz Lang: The Life and Legacy of the Influential German-American Film Legend | Charles River Editors | 1.5 hrs |
| 50 | The Gullah: The History and Legacy of the African American Ethnic Group in the American Southeast | Charles River Editors | 1.5 hrs |
| 51 | The Great Siege of Malta: The History of the Battle for the Mediterranean Island Between the Ottoman Empire and Knights Hospitaller | Charles River Editors | 2.7 hrs |
| 52 | The First Battle of Heligoland Bight: The History and Legacy of the Royal Navy's Greatest Victory in World War I | Charles River Editors | 1.7 hrs |
| 53 | The War of the Spanish Succession: The History of the Conflict Between the Bourbons and Habsburgs that Engulfed Europe | Charles River Editors | 1.5 hrs |
| 54 | Eli Whitney: The Life and Legacy of the American Inventor Whose Cotton Gin Transformed the Antebellum South | Charles River Editors | 1.4 hrs |
| 55 | The Most Influential Mesoamerican Gods: The History and Legacy of Quetzalcoatl, Huitzilopochtli, and Tlaloc | Charles River Editors | 4.7 hrs |
| 56 | NASA Programs in the 1970s: The History and Legacy of the Space Agency’s Missions to Mars and Beyond | Charles River Editors | 4.4 hrs |