The Humpback Whale

by Carl R. Green and William R. Sanford

Published 1 January 1985
Examines the appearance, behavior, and life cycle of this playful singing whale and describes modern efforts to protect it.

Walrus

by Carl R. Green and William R. Sanford

Published 15 February 1986
Discusses walruses, their behavior, habitat, diet, desirability to man, and problems they face in staying alive.

Gorilla

by Carl R. Green and William R. Sanford

Published 15 February 1986
An introduction to the physical characteristics, habits, and natural environment of the gorilla.