Sharks and Other Predators: A Nonfiction Companion to Magic Tree House Merlin Mission #25: Shadow of the Shark Paperback $7.99
Penguins and Antarctica: A Nonfiction Companion to Magic Tree House Merlin Mission #12: Eve of the Emperor Penguin Paperback $6.99
Horse Heroes: A Nonfiction Companion to Magic Tree House Merlin Mission #21: Stallion by Starlight Paperback $6.99
Benjamin Franklin: A Nonfiction Companion to Magic Tree House #32: To the Future, Ben Franklin! Paperback $6.99
Ancient Greece and the Olympics: A Nonfiction Companion to Magic Tree House #16: Hour of the Olympics Paperback $7.99
Tsunamis and Other Natural Disasters: A Nonfiction Companion to Magic Tree House #28: High Tide in Hawaii Paperback $7.99
Heroes for All Times: A Nonfiction Companion to Magic Tree House Merlin Mission #23: High Time for Heroes Paperback $6.99 $7.99
Sea Monsters: A Nonfiction Companion to Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea Paperback $7.99
Soccer: A Nonfiction Companion to Magic Tree House Merlin Mission #24: Soccer on Sunday Paperback $6.99
Leprechauns and Irish Folklore: A Nonfiction Companion to Magic Tree House Merlin Mission #15: Leprechaun in Late Winter Paperback $7.99
American Revolution: A Nonfiction Companion to Magic Tree House #22: Revolutionary War on Wednesday Paperback $6.99