In the early 1960s, a handful of brash British kids needed a new sound for a new kind of music. They marched into a music store in their blue-collar town and asked the gentleman behind the desk to build them an amplifier with leg-shaking power and jaw-dropping tone. So he did. This first-ever biography tells the story of Jim Marshall, founder of Marshall Amplification and creator of guitar amplifiers that defined the sound of rock and are prized by rock guitarists of every age and style, including Jimi Hendrix, Eric Clapton, Jeff Beck, Jimmy Page, and Bruce Springsteen. Forty years after Marshall sold his first JTM45, three generations of guitarists and fans still revere the name. Highlights in Marshall history, images of amp anatomy, details about famous players' preferred models, and testimonials from guitar stars round out this engrossing success story.