60 books • 24 series
World Record Breakers Pack A of 4 (World Record Breakers)
The World's Most Daring Stunts (World Record Breakers)
World Record Breakers Worlds Deadliest Animals
World's Deadliest Animals (World Record Breakers)
World Record Breakers (World Record Breakers)
CIXI (Wicked History) (Wicked History)
Henry VIII (a Wicked History) (Wicked History)
Attila the Hun (Revised Edition) (a Wicked History) (Wicked History)
Unsolved Mystery Files Pack A of 3 (Unsolved Mystery Files)
Crime (Unsolved Mystery Files)
Unsolved Crime Mysteries (Unsolved Mystery Files)
Unsolved Mystery Files (Unsolved Mystery Files)
Passengers of the Titanic (Titanic Perspectives)
Classified (Velocity: Classified) (Classified)
Modern Spies (Classified)
World War II Spies (Classified)
Hannibal of Carthage (Hero Journals)
Amazing Military Robots (Robots ) (Robots (Hardcover)) (Edge Books: Robots)
Robots Amazing Military Robots
The Kids' Guide to Titanic (Kids' Guides)
Science Missions Pack A of 5 (Science Missions)
The Kids' Guide to Pro Wrestling (Edge Books: Kids' Guides )
The Kids' Guide to Lost Cities (Edge Books: Kids' Guides )
Cloning Pets (Science Missions)
