World War II
Mary Pope Osborne, Natalie Pope Boyce & Carlo Molinari
Amazing Animals! Magic Tree House Fact Tracker Collection
Mary Pope Osborne, Natalie Pope Boyce & Sal Murdocca
Dinosaurs
Mary Pope Osborne, Will Osborne & Sal Murdocca
Knights and Castles
Mary Pope Osborne, Will Osborne & Sal Murdocca
Mummies and Pyramids
Mary Pope Osborne, Will Osborne & Sal Murdocca
Pirates
Mary Pope Osborne, Will Osborne & Sal Murdocca
Ninjas and Samurai
Mary Pope Osborne, Natalie Pope Boyce & Sal Murdocca
Rain Forests
Mary Pope Osborne, Will Osborne & Sal Murdocca
Sabertooths and the Ice Age
Mary Pope Osborne, Natalie Pope Boyce & Sal Murdocca
Space
Mary Pope Osborne, Will Osborne & Sal Murdocca