Durrell, Lee. <br/><br/>
State of the ark / 
Lee Durrell ; researched by IUCN ; [foreword by Gerald Durrell]. 
 - 1st U.S. ed. 
 - Garden City, N.Y. :  Doubleday,  1986. 
 - 224 p. :  ill. (some col.) ;  29 cm. 
<br/><br/> "A Gaia original"--T.p. verso. 
<br/><br/><label>ISBN: </label>0385236689 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature conservation.<br/>Conservation of natural resources.<br/>Environmental policy.