Pirates: A Nonfiction Companion to Magic Tree House #4: Pirates Past Noon (Magic Tree House (R) Fact Tracker #4) (Paperback)

Vikings: A Nonfiction Companion to Magic Tree House #15: Viking

Dog Heroes: A Nonfiction Companion to Magic Tree House Merlin

Sea Monsters: A Nonfiction Companion to Magic Tree House Merlin

Twisters and Other Terrible Storms: A Nonfiction Companion to

Ancient Greece and the Olympics: A Nonfiction Companion to Magic

Ghosts: A Nonfiction Companion to Magic Tree House Merlin Mission

Pandas and Other Endangered Species: A Nonfiction Companion to

Tsunamis and Other Natural Disasters: A Nonfiction Companion to

Abraham Lincoln: A Nonfiction Companion to Magic Tree House Merlin

Knights and Castles: A Nonfiction Companion to Magic Tree House #2

Rags and Riches: Kids in the Time of Charles Dickens: A Nonfiction