Birds--their life, their ways, their world / [electronic resource] / ill. by Ad Cameron ; [text author, Christopher Perrins ; consultant editor, C. J. O. Harrison].. — Pleasantville, N.Y. : : Reader's Digest Association,, c1979.. — 411 p. : : col. ill. ; 29 cm.
Comprises 2 previously published works: Birds--their life, their ways, their world published in 1976 and Bird families of the world published in 1978. Includes index.