Tim, Hartnell <br/><br/>
The ZX spectrum explored : a sinclair computer guide  [Books]. 
Hartnell Tim. 
 - London  Sinclair Browne  1982 
 - Pages: 218 
<br/><br/><label>ISBN: </label>0946195005  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Sinclair ZX spectrum (Computer) -- Programming.
<br/><br/><label>Dewey Class. No.: </label>QA/76.8  / TIM