Mastering machine code on your ZX81 /

Bibliographic Details
Main Author:	Baker, Toni
Format:	Book
Language:	English
Published:	Reston, Va. : Reston Pub. Co., [1982?]
Subjects:	Sinclair ZX81 (Computer) > Programming.

Description
Physical Description:	180 pages : illustrations ; 24 cm.
ISBN:	0835942627 : 0835942619 (pbk.) :