All sounds made by your guitar or bass start with the vibration of a string. Yet most guitarists overlook the basic principles of how to select the best strings for their playing style. They often start with a particular brand of string and stick with it forever. Or, they are constantly switching brands and never focus on anything specific to their playing goals. The facts about guitar and bass strings are being exposed for you in Professor String's latest e-book called "Think You Know Guitar Strings?" It has been written as a guide that helps both beginners and advanced players.