Osborne, Mary Pope.

Summary: Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

Format: text

Publisher / Publication Date: Random House 1998

Copies Available at Interlochen

1 available in Juvenile- Series, Call number: J Fiction Series Osborne 2012

Copies Available at East Bay

1 available in Beginning Readers - Independent Reader (Red), Call number: JBR RED OSB

Copies Available at Peninsula

1 available in Juvenile Fiction, Call number: JFIC OSB