H. E. · H.S. · Zenith Educational Systems · Zenith Educational Systems Heathkit
| title | ISBN-13 | year of publication |
|---|---|---|
| AC Electronics | 978-0-13-002121-2 | 1981 |
| DC electronics | 978-0-13-198192-8 | 1983 |
| Electronic circuits: A step-by-step introduction | 978-0-13-250183-5 | 1983 |
| Electronic communications | 978-0-13-250423-2 | 1983 |
| Electronic Communications: A Step-by-Step Introduction | 978-0-13-250415-7 | 1983 |
| Microprocessors: A step-by-step introduction | 978-0-13-581082-8 | 1983 |