TY - BOOK AU - Osborne Mary Pope TI - Magic Tree House Research Guide POLAR BEARDS AND THE ARCTIC: A nonfiction companion to polar bears past bedtime SN - 99780375832222 AV - QL 737 .O8 2007 PY - 2007/// CY - new york PB - A STEPPING STONE BOOK KW - POLAR BEARS KW - ARCTIC REGIONS ER -