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David L. Heller

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Dr. C. Wacko Presents Applesoft BASIC and the Whiz-Bang Miracle Machine
Dr. C. Wacko's Miracle Guide to Designing and Programming Your Own Atari Computer Arcade Games
Dr. C. Wacko Presents Commodore 64 Basic and the Whiz-Bang Miracle Machine
Dr. C. Wacko Presents Atari BASIC and the Whiz-Bang Miracle Machine
Space Knights
Space knights: your passport to the future
Free Software for Your Commodore
Free Software for Your TI Home Computer
Space Knights Your Passport to the Future
Multimedia Business Presentations Customized Applications