Title: Magic Tree House Books 1-4 Ebook Collection: Mystery of the Tree House, Author: Mary Pope Osborne
Title: Dinosaurs Before Dark (Magic Tree House Series #1) (Full-Color Edition), Author: Mary Pope Osborne
Title: The Mystery of the Magic Spell (Magic Tree House Series #5-8), Author: Mary Pope Osborne
Title: The Mystery of the Ancient Riddles (Magic Tree House Series #9-12), Author: Mary Pope Osborne