| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Spectrum Year 7 Technician Notes | 978-0-521-75350-0 (0-521-75350-3) | 2002 |
| Spectrum Year 8 Technician Notes | 978-0-521-75351-7 (0-521-75351-1) | 2003 |
| Spectrum Year 9 Technician Notes | 978-0-521-75352-4 (0-521-75352-X) | 2003 |
K. D. · Ken Deasy · Kim Daekyu · Kim Duksoo · Kwame Dawes