Signs of the apes, songs of the whales : adventures in human-animal communication /
George & Linda Harrar.
- New York : Simon and Schuster Books for Young Readers, c1989.
- 48 p. : ill. (some col.) ; 27 cm.
- A Novabook .
"In association with WGBH Boston, producers of NOVA for public television." Includes index.
Describes experiments in which apes and dolphins have been taught aspects of human language and discusses the contributions of these experiments to our understanding of animal intelligence.