In her latest book, Riding Through Thick & Thin: Make Peace with Your Body and Banish Self-Doubt - In and Out of the Saddle,  author Melinda Folse asks a question that gets to the heart of her thesis: "How can we move beyond any concerns we have about how we look or what we weigh or whether or not our breeches are too tight and just get that feeling?"  This is not a self-help book strictly targeted at plus-sized equestrians; it is a life-changing guide…