00289nam a2200109 a 450000500170000008200170001710000060003411000310004024500440007126000470011530000170016220251203090507.0  a591,bD, mar  d_  aReaders Digest Association  aMarvels & mysteries of our animal world  aNew YorkbReaders Digest Associationc1979  a320p, 24 cm.