Flowers

by Alexander C Martin and Herbert Spencer Zim

Published 1 December 1950


Insects

by Herbert Spencer Zim and Clarence Cottam

Published 1 August 1987

Stars

by Herbert Spencer Zim and Robert H Baker

Published 1 December 1985

Mammals

by Donald Hoffmeister and Herbert Spencer Zim

Published 1 August 1987

Fishes

by Hurst H Shoemaker and Herbert S Zim

Published 31 December 1987

Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks.