00273nam a2200121 a 450000500170000002000150001708200150003210000060004711000180005324500230007126000420009430000150013620251203091639.0  a1870630432  a910.9bROB  d_  aRoberts, Gail  aAtlas of discovery  aLoNew DelhionbBloomsbury Booksc1989  a192p, 24cm