Upside-Down Creatures

by Susan Harris

Published 1 January 1978
Describes creatures that spend some or all of their time in the upside-down position, including sloths, bats, and flying lemurs.

Creatures That Look Alike

by Susan Harris

Published 1 January 1978
Explains the differences between such animal look-alikes as moths and butterflies, frogs and toads, gulls and terns, American and European robins, Indian and African elephants, and rabbits and hares.

Odd Animals

by Susan Harris

Published 1 January 1977
Describes twelve animals with strange appearance and unusual behavior.

Swimming Mammals

by Susan Harris

Published 1 September 1977