00499    a2200205   4500001000700000020001500007020001500022020002200037020001800059041000800077100001900085250002100104300001000125490001700135830001700152856002400169040002500193245003800218260003700256115530  a0329263846  a0516211765  a0516263412 (pbk.)  a9780749645120  apor  aHewitt, Sally.  a1st American ed.  a30 p.  aIt's science  aIt's science  u00002a/00002a4d.jpg  aBR-BrIDEAcBR-BrIDEA10aPlants and flowersc Sally Hewitt  aNew YorkbChildren's Pressc1998