Title: Polar bears past bedtime
Description: Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.
Subjects: Fiction, Juvenile fiction, Magic, Polar bear, Tree houses, Bears, Spanish language materials, Time travel, New York Times bestseller, nyt:series_books=2007-03-10, Polar bears, Accelerated Reader, Arctic regions, Librarians, Owls, Magia, Oso polar, Casas en árboles, Osos, Ficción juvenil, Children's fiction, Bears, fiction, Magic, fiction, Tree houses, fiction, Polar regions, fiction, Kinderbuch ab 8 Jahren, Mädchen, Junge, Schwester, Bruder, Geschwister, Baumhaus, versteckt, verborgen, Zeitreise, Abenteuer, Polar, Eisbären, Eis, Schnee, Arktis
Places: Arctic regions, Arktis, Polar