000			006020000a22001810004500
020			_a0590706381 (pbk.) 9780590706384 (pbk.)
100			_aOsborne, Mary Pope.
245			_aPolar bears past bedtime /
260			_aNew York : _bScholastic, _c7/1/2010
300			_a71 p. : ill. ; 20 cm.
500			_aTheir magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.
520			_a'A Stepping Stone book.'
650			_aPolar bear
650			_aMagic
650			_aTree houses
650			_aArctic regions
852			_oJ PBK OSB
999			_c43432 _d43432