Mary Pope Osborne

Dinosaurs Before Dark (Full-Color Edition)

2012

Magic Tree House 1: Valley of the Dinosaurs

2011

Eve of the Emperor Penguin

2008

Ancient Greece and the Olympics

2004

Space

2002

Magic Tree House 8: Moon Mission!

2011

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

2003

Hour of the Olympics (Unabridged)

2007

Dogs in the Dead of Night (Unabridged)

2011

Dinosaurs Before Dark (Unabridged)

2006

Magic Tree House: Books 9 and 10: Dolphins at Daybreak, Ghost Town at Sundown (Unabridged)

2004

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

2003