Mary Pope Osborne

Buffalo Before Breakfast

Magic Tree House 1: Valley of the Dinosaurs

Tonight on the Titanic

Dinosaurs Before Dark (Full-Color Edition)

Magic Tree House 8: Moon Mission!

Eve of the Emperor Penguin

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

Magic Tree House Collection: Books 9-16: #9: Dolphins at Daybreak; #10: Ghost Town; #11: Lions; #12: Polar Bears Past Bedtime; #13: Volcano; #14: Dragon King; #15: Viking Ships; #16: Olympics (Unabridged)

Magic Tree House: Books 7 and 8: Sunset of the Sabertooth, Midnight on the Moon (Unabridged)

Magic Tree House: Books 5 and 6: Night of the Ninjas, Afternoon on the Amazon (Unabridged)

Hour of the Olympics (Unabridged)

Dogs in the Dead of Night (Unabridged)