Gaff, Jackie <br/><br/>
I wonder why fish grew legs:  and other questions about prehistoric life 
/ Jackie Gaff 
 - E.U.A  : Kingfisher  , 2004 
 - 32 p.  : il. col.  ; 21.5cm 
<br/><br/><label>ISBN: </label>0-7534-5762-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prehistoric Life
<br/><br/><label>Dewey Class. No.: </label>E 930 GAF