J.W. Penfold
Person · UK
Credits
- 1984An Introduction to Programming the Sinclair QL · Sinclair QL
- 1984An Introduction to Z80 Machine Code
- 1985Into the QL Archive · Sinclair QL
- 1985An Introduction to QL Machine Code · Sinclair QL
- 1985An Introduction to Computer Peripherals
- 1986Counting on QL Abacus · Sinclair QL
- 1986Getting the Most from Your Printer
- 1988LOGO for Beginners
Same person at Spectrum Computing