00280    a2200109   450000500170000002000180001708200120003524500220004726000360006930000430010570000220014820250625123255.0  a0-07-243303-5  a155 HUM  aHuman Development  aConnecticutbMcGraw-Hillc2001.  ax,213p. : ill. ; picturesbIndexc27cm  aKaren L. Freiberg