Amsco Publications, New York, 1986.  ISBN 0-8256-2409-6 / 0-7119-1022-7.  Large trade soft cover, 135 pages including Glossary and Index.  Good plus; illustrated wraps show some edge, corner and cover wear, a few small dings along edges, small chip at spine head; lower front corner crease.  Binding sound with no reading creases.  Interior pages clean and unmarked; light soil and a bit of spotting on outer page block.  Flexible 33 1/3 rpm record still attached at half-title page, showing faint bend mark similar to corner crease.  ‘The definitive beginner’s guide by Dean Friedman.  Tells you everything you need to know to really understand, program, and start using your synthesizer.  Also contains special sections on the Yamaha DX7, Sampling Devices and MIDI.’ (from front wrap)