11 books in series

Magic Tree House Fact Tracker

Magic Tree House Fact Tracker is a 11-book series with 11 released primary works first released in 2001 with contributions by Will Osborne, Mary Pope Osborne, and Natalie Pope Boyce.

Cover 8

Knights And Castles

Mummies and Pyramids
Pirates
Titanic
Twisters and Other Terrible Storms
Dolphins and sharks
Ancient Rome and Pompeii
Tsunamis and Other Natural Disasters
Sea Monsters
Penguins and Antarctica
Cover 6

Ghosts

Leprechauns and Irish Folklore