By A Mystery Man Writer
Wild West: A Nonfiction Companion to Magic Tree House #10: Ghost
Leonardo da Vinci: A Nonfiction Companion to Magic Tree House
Space: A Nonfiction Companion to Magic Tree House #8: Midnight on
Heroes for All Times: A Nonfiction Companion to Magic Tree House
Ninjas and Samurai: A Nonfiction Companion to Magic Tree House #5
Ninjas and Samurai: A Nonfiction Companion to Magic Tree House #5
Snakes and Other Reptiles: A Nonfiction Companion to Magic Tree
Pilgrims: A Nonfiction Companion to Magic Tree House #27
Penguins and Antarctica: A Nonfiction Companion to Magic Tree