(Guitar). Learn to diagnose common problems relating to the adjustment, upkeep and repair of your acoustic guitar, as well as nylon-string guitars and ukuleles. Topics include: humidity * cracks * braces * bridge plates * frets * guitar action * intonation * neck angle * tuning machines * strings * strap buttons * end pins * buying a used guitar * cleaning & polishing * pickups * and much more. | The Acoustic Guitar Repair Detective by Paul Neri, Paperback | Indigo Chapters