Tube Guitar Amplifier Essentials by Gerald Weber (2005, Paperback)

This book allows you to understand what you are working with. It breaks it down to a level that most will be able to understand, how things work, and what to look for in your amplifiers. To see the pit falls of some units and how to fix them when they come up. It is written so musicians can prepare themselves for the real world of electricity and electronics that make up their profession. Gerald lets the musician be aware of what a tech can and will do for him/her.