The title of this book is Magic Tree House #12: Polar Bears Past Bedtime and is written by author Mary Pope Osborne. The book Magic Tree House #12: Polar Bears Past Bedtime is published by Random House Books for Young Readers. The ISBN of this book is 9781299219922 and the format is Digital (delivered electronically). The publisher has not provided a book description for Magic Tree House #12: Polar Bears Past Bedtime by Mary Pope Osborne.