Mary Pope Osborne

Magic Tree House 6: Adventure on the Amazon

Magic Tree House 1: Valley of the Dinosaurs

Magic Tree House 7: Mammoth to the Rescue

Magic Tree House 13: Racing With Gladiators

Haunted Castle on Hallows Eve

Dinosaurs Before Dark (Full-Color Edition)

Magic Tree House Collection: Books 1-8 (Unabridged)

Magic Tree House: #1 Dinosaurs Before Dark

Magic Tree House History's Heroes #1: The Greatest Fossil Finder (Unabridged)

Magic Tree House Collection: Books 33-40: Narwhal on a Sunny Night; Late Lunch with Llamas; Camp Time in California; Sunlight on the Snow Leopard; Rhinos at Recess; Time of the Turtle King; & More! (Unabridged)

Sea Otter Sunrise (Unabridged)

Windy Night with Wild Horses (Unabridged)