--am us  eng
++000    00000nam a2200000 a 4500
++020    |a9780761112396
++090  2 |a550 WOL.
++100 1  |aWollard, Kathy.
++245 10 |aHow come? Planet Earth /|cby Kathy Wollard ; illustrated by Debra Solomon.
++250    |a1st ed.
++260    |aNew York :|bWorkman,1999.
++300    |axii, 332 p. :|bill. ;|c21 cm.
++650    |aSciences
++690    |aIntegrated Sciences
++700 1  |aSolomon, Debra.