Polar Bears Past Bedtime/
written by Mary Pope Osborne and illustrated by Sal Murdocca
- Toronto Scholastic Inc. c1998
- 71pp illus.
- Magic Tree House 12 .
RL: 3.2 GRL: M Copy 1 added to collection 2001 school year from regular budget present year; copy 2 added February 2008 from regular budget.
Their magic tree house takes Jack and Annie to the Arctic where a polar bear leads them onto very thin ice.