Mellanby Jean <br/><br/>
Nature detection and conservation / 
Jean Mellanby ; illustrated by Vera Croxford. 
 - London :  Transworld,  1972. 
 - 143 p. :  ill., 1 form ;  20 cm. 
 - Carousel books .
<br/><br/>Bibliography: p. 140-143. 
<br/><br/><label>ISBN: </label>0552540196  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Juvenile literature
<br/><br/><label>LC Class. No.: </label>QH48 
<br/><br/><label>Dewey Class. No.: </label>500.9