Walker, Colin. <br/><br/>
What's inside? / 
by Colin Walker. 
 - Dunstable and Dublin :  Folens,  1997. 
 - 12 p. :  photo., col ;  20 cm. 
<br/><br/><label>ISBN: </label>1862020396 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eggs and nests.