Vintage Apple II DOS Manual 1980/81 Operating System. 
Has some wear to the cover but otherwise in excellent condition. See pictures for details. Sold as is.
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* Please feel free to ask any questions you may have. I will accept returns for 30 days, My rating is very important. If you feel the need to leave negative feedback please contact me beforehand so we can discuss it. I am sure we can come to an agreement.

** I describe my items for sale/bid the best that I can. I will never intentionally misrepresent anything I have listed.