01133cam a2200325 4500 7195587 TxAuBib 20080702120000.0 ||||||s2007||||||||||||||||||||||||und|u 2006022306 9780375932229 lib. bdg. 0375932224 lib. bdg. (OCoLC)70267171 TxAuBib Osborne, Mary Pope. Polar bears and the Arctic : a nonfiction companion to polar bears past bedtime / by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca. 1st ed. New York : Random House, 2007. 119 p. : ill ; 20 cm. Magic tree house research guide. "A Stepping Stone book.". Includes index. 20080702. Polar bear Arctic regions Juvenile literature. Arctic regions Juvenile literature. Boyce, Natalie Pope. Murdocca, Sal, ill. Magic tree house research guide. TXMLR