John Heilborn

• UNIX complete
• Printer troubleshooting & repair
• VIC 20 user guide
• Your Commodore 64
• Compute!'s beginner's guide to Commodore 64 sound
• Illustrated Windows 3.1 (Illustrated Computer Skills)
• MacIntosh Notebook
• PerfectOffice 3 for dummies
• Windows 3.0 illustrated quick tutorial
• Your Commodore 64
• Atari S. T. User's Guide
• Commodore 128