num_pages: 71
description: The Magic Tree House transportss Jack and Annie to the freezing Arctic. There they must solve the final riddle to become master librarians. But it's not going to be easy--especially when they have cracking ice a seal hunter and a prodigious polar bear to deal with. Will they be able to solve the riddle before they get iced themselves?
language: English
title: Polar Bears Past Bedtime
publisher: Random House Books for Young Readers