Richards, Roy. <br/><br/>
An early start to mathematics / 
Roy Richards, Lesley Jones. 
 - London :  Simon & Schuster,  1990. 
 - 64p ;  21x30 cm. 
<br/><br/><label>ISBN: </label>0750100346 :  7.99 9780750100342 
<br/><br/><label>Nat. Bib. No.: </label>GB8943865  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Subjects--Index Terms: </label>Mathematics