Osborne, Mary Pope
Polar Bears and the Arctic : a nonfiction companion to Polar Bears Past Bedtime / by Mary Pope Osborne and Natalie Pope Boyce. - 1st - New York, New York : Random House Children's Books, 2007. - 119 p. - Magic Tree House Research Guide .
a nonfiction companion to Polar Bears Past Bedtime.
9780375832222
polar bear--juvenile literature
arctic regions--juvenile literature
Polar Bears and the Arctic : a nonfiction companion to Polar Bears Past Bedtime / by Mary Pope Osborne and Natalie Pope Boyce. - 1st - New York, New York : Random House Children's Books, 2007. - 119 p. - Magic Tree House Research Guide .
a nonfiction companion to Polar Bears Past Bedtime.
9780375832222
polar bear--juvenile literature
arctic regions--juvenile literature