00343nam a22001337a 450000500170000000800410001702000150005804000100007310000190008324500500010226000340015230000140018652600090020020210616020403.0210616b           ||||| |||| 00| 0 eng d  a0590621548  cGSLRC  aMaestro, Betsy  aWhy do leaves change color? /cBetsy Maestro.  aNew York :bScholastic,c1994  a32 pages.  c580L