Happy Muscles: Self-help guide to un-knot muscle pain. Do you know that many headaches are caused by muscle tension and muscle knots in the upper back and shoulders? This book empowers you to help identify what might be causing your pain, while giving you the ability to make pain go away and get back to action—fast! This trouble-shooting guide features more than 250 pain-mapping muscle knot illustrations. It illustrates pain patterns, muscle knot locations, and self-help treatments for the entire body—from head to toe. Easy-to-follow format. Co-written by Spring Faussett, inventor of Tiger Tail, and Julie Zuleger, Ph.D., ACT, NCBTMB, CMTPT. 80 pages.