Birds--their life, their ways, their world / 
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. 
<br/><br/> 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. 
<br/><br/><label>ISBN: </label>0895770652 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds.<br/>Birds, Fossil.
<br/><br/><label>LC Class. No.: </label>QL673  / .B58 
<br/><br/><label>Dewey Class. No.: </label>598.2