This is a vintage user manual for the Atari 400/800 computers. The manual comes with binder and is perfect for collectors or enthusiasts who want to get a better understanding of how these computers worked. The manual is in good condition and is a great addition to any collection.The manual covers various aspects of the Atari 400/800, including programming, system setup, and troubleshooting. It is a comprehensive guide that was originally published by Atari Inc. in the 1980s. Whether you are a seasoned user or a beginner, this manual is a valuable resource that will help you get the most out of your Atari computer.