Skills in Reading Book 1 by Staff Educational Systems (1978 Paperback) very good

HeathKit Continuing Education Digital Techniques & DC Electronics Manuals ROUGH

Heathkit / Zenith Educational Systems AC Electronics Student Workbook--1983

English Is Our Language 5 Second Edition D.C. Heath Book

DC Electronics (Heathkit Zenith Educational Systems)

‎Heathkit Educational System; DC Electronics Textbook, 3rd ed.

English Is Our Language 6 Second Edition Sterling Rice D.C. Heath Book