000 00275nam a22001217a 4500
020 _a9788131912324
100 _aPegasusd
245 _aDiseases & Illness
260 _bPegasus
_cJanuary 1, 2011
300 _a32p;Hardcover
650 _aMiddle School - Science
942 _cBK
999 _c11654
_d11654