Secondary Biology  Form One  ;  Students' Book ,Fifth edition  
Kenya Literature Bureau  , 
 - 5th edition.  
 - Nairobi:  Kenya Literature Bureau.   1987 . 
 - ix , 191  col. illustrations   17 cm . 
<br/><br/><label>ISBN: </label>978-9966-65-138-9 
<br/><br/><label>Dewey Class. No.: </label>570