Mary Pope Osborne
Magic Tree House #49: Stallion by Starlight
Magic Tree House #48: A Perfect Time for Pandas
Magic Tree House #19: Tigers at Twilight
Magic Tree House Fact Tracker: Abraham Lincoln: A Nonfiction Companion to Magic Tree House #47: Abe Lincoln at Last!
Magic Tree House Fact Tracker #24: Dog Heroes: A Nonfiction Companion to Magic Tree House #46: Dogs in the Dead of Night
Magic Tree House #18: Buffalo Before Breakfast
Magic Tree House #38: Monday with a Mad Genius
Magic Tree House #42: A Good Night for Ghosts
Magic Tree House #41: Moonlight on the Magic Flute
Magic Tree House: Books 33-36: #33 Carnival at Candlelight; #34 Season of the Sandstorms; #35 Night of the New Magicians; #36 Blizzard of the Blue Moon
Magic Tree House #34: Season of the Sandstorms (A Stepping Stone Book(TM))
Magic Tree House 20th Anniversary Edition: Dinosaurs Before Dark
Magic Tree House Fact Tracker #28: Heroes for All Times: A Nonfiction Companion to Magic Tree House #51: High Time for Heroes
Una Tarde En El Amazonas
Magic Tree House Fact Tracker #17: Sea Monsters: A Nonfiction Companion to Magic Tree House #39: Dark Day in the Deep Sea
Magic Tree House Fact Tracker #19: Leonardo da Vinci: A Nonfiction Companion to Magic Tree House #38: Monday with a Mad Genius
Magic Tree House #42: A Good Night for Ghosts
Magic Tree House #40: Eve of the Emperor Penguin
Magic Tree House #20: Dingoes at Dinnertime
Magic Tree House #50: Hurry Up, Houdini!
Tales from the Odyssey, Part 2
Magic Tree House #50: Hurry Up, Houdini!
Sea Monsters: A Nonfiction Companion to Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea
Dear America: Voyage On The Great Titanic