TY  - BOOK
AU  - Osborne,Mary Pope
AU  - Murdocca,Sal
TI  - Polar Bears Past Bedtime
T2  - Magic Tree House
SN  - 9780679883418
U1  - 813 
PY  - 1998///
CY  - New York
PB  - Random House
KW  - Polar Bear
KW  - Fiction
KW  - Arctic regions
KW  - Time travel
KW  - chapter book
KW  - IW
KW  - SU
KW  - HF
N1  - Ages 6-9; F & P Text Level : M 
Grade 2
N2  - Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice
ER  -