ITEM(S): This listing is for RARE 1980 Databus Compiler User's Manual Version 3 CONDITION: This is a very rare manual, in a three ring binder. Please examine pictures. Binder has some wear, but the contents are in very good condition. FEEDBACK: Please contact us if you are unhappy with your purchase or your experience. Negative feedback actually add defects to a seller. We raise our family with this business and any damaging feedback can severely affect us, please let us help you by contacting us first if you have any issues. Thank you for viewing! If you have any questions, please don't hesitate to ask!