Space: A Nonfiction Companion to Magic Tree House #8: Midnight on the Moon (Magic Tree House: Fact Trekker Book 6)

Midnight on the Moon (Magic Tree House Book 8)

Dolphins and Sharks: A Nonfiction Companion to Magic Tree House #9: Dolphins at Daybreak (Magic Tree House (R) Fact Tracker)

Ninjas and Samurai: A Nonfiction Companion to Magic Tree House #5: Night of the Ninjas (Magic Tree House (R) Fact Tracker)

Ancient Rome and Pompeii: A Nonfiction Companion to Magic Tree House #13: Vacation Under the Volcano (Magic Tree House (R) Fact Tracker)

Rain Forests: A Nonfiction Companion to Magic Tree House #6: Afternoon on the Amazon (Magic Tree House (R) Fact Tracker)

Tsunamis and Other Natural Disasters: A Nonfiction Companion to Magic Tree House #28: High Tide in Hawaii (Magic Tree House (R) Fact Tracker)

Titanic: A Nonfiction Companion to Magic Tree House #17: Tonight on the Titanic (Magic Tree House (R) Fact Tracker)

American Revolution: A Nonfiction Companion to Magic Tree House #22: Revolutionary War on Wednesday (Magic Tree House (R) Fact Tracker)

Dinosaurs: A Nonfiction Companion to Magic Tree House #1: Dinosaurs Before Dark (Magic Tree House (R) Fact Tracker)