Moore, Lawrie. <br/><br/>
Mastering the zx spectrum / 
By Lawrie Moore. 
 - 1st ed. 
 - England :  Ellis Horwood Limited ,  1983. 
 - 180p. ;  PB  25 cm. 
<br/><br/><label>ISBN: </label>085312700X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Getting information in and displaying it<br/>Looping through data values and making selections<br/>Using control codes and defining your own new characters
<br/><br/><label>Dewey Class. No.: </label>005.101   / MOOL