00513    a2200193   4500001000700000020001800007020001800025020003800043041000800081250001000089300001200099490002900111830002900140856002400169040002500193100002700218245004500245260002900290112495  a9780329205393  a9780329590963  a9780590638784 (pbk. : alk. paper)  apor  a. ed.  a[16] p.  aScience emergent readers  aScience emergent readers  u000021/00002161.jpg  aBR-BrIDEAcBR-BrIDEA  aCanizares, Susand196010aWhat comes in a shell?c Susan Canizares  a[S.l.]bScholasticc1998