Through her blog “Katy Says,” which started in 2007, biomechanist Katy Bowman has educated thousands of people about optimal alignment and natural movement. Though she now writes on her Nutritious Movement website, “Katy Says” lives on in this collection of the first five years of her short essays in an easy-to-follow format, with chapters on each area of the body. There are chapters focused on the feet, on the pelvic floor, and on the head and shoulders; also covered are walking and gait, pregnancy and childbirth, the cardiovascular system, and how to return to natural movement. Bowmanʼs clear, engaging text lays out a “userʼs manual” for the human body, including stretches, habit modifications, spiritual insights, and enough belly laughs to soften even the tightest posts, helping people to resolve the deeper alignment issues affecting their health Couch potatoes, professional athletes, and everyone in between all have something to learn about their bodies. With , they will learn how to keep every part their human machine working optimally, over a lifetime.