TY  - BOOK
AU  - Osborne,Mary Pope
AU  - Murdocca,Sal
TI  - Polar bears past bedtime
T2  - Magic tree house ; 
SN  - 0439528100
U1  - [Fic] 21 
PY  - 1998///.
CY  - New York
PB  - Random House, 
KW  - Jack (Fictitious character : Osborne)
KW  - Fiction.
KW  - Annie (Fictitious character : Osborne)
KW  - Polar bear
KW  - Magic
KW  - Tree houses
KW  - Time travel
KW  - Juvenile fiction
KW  - Arctic regions
KW  - Fiction
N1  - "A Stepping Stone book."; Accelerated Reader; LG; 3.3; 1.0
N2  - Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice
ER  -