Book 2

Bug Hunters

by Ada Graham

Published 31 December 1978
Describes the biological control method of curbing harmful insects in which man uses nature itself to fight nature's pests.

Book 3

Falcon Flight

by Ada Graham

Published 1 January 1978
Describes recent efforts to save the vanishing peregrine falcon, a frequent object of indiscriminate hunting due to misconceptions surrounding birds of prey.

Book 4

Coyote Song

by Ada Graham

Published 1 January 1978
Discusses the natural history of the coyote and its place in the ecology of the West, programs to kill coyotes, and experiments with alternative methods to lessen the menace of coyotes to ranchers.