(Guitar Method). Here’s your complete guide to getting your guitars to play and sound their best! In a convenient 6 x9 size, this full-color edition features step-by-step instructions and photos that teach you how to adjust the action, truss rod, bridge saddles, nut, intonation and more on electric and acoustic guitars. Basic electronic repairs are covered as well. If you’ve been timid about looking under the hood of your guitar but don’t want to keep spending money at the repair shop, this book will get you started on the road to becoming your own guitar repair person!