Lord, Mike <br/><br/>
The explorer's guide to the ZX-81 and Timez Sinclair 1000 / 
written by Mike Lord 
 - Reston :  Reston Publishing,  1982 
 - 155 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0835918157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sinclair ZX81 (Computer)--Programming<br/>Timex 1000 (Computer)--Programming