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