000 00309nam a22001217a 4500
020 _a9781602795372
100 _aDana Rav
245 _aScience Explorer Junior-Levers and Pulleys
260 _bCherry Lake Publishing
_c2011
300 _a32p; Paperback
650 _aLevers and pulleys- Science
942 _cBK
_02
999 _c8440
_d8440