Title: 40 5-Minute Jumping Fixes: Simple Solutions for Better Jumping Performance in No Time, Author: Wendy Murdoch
Title: 50 5-Minute Fixes to Improve Your Riding: Simple Solutions for Better Position and Performance in No Time, Author: Wendy Murdoch
Title: Simplify Your Riding: Step-by-Step Techniques to Improve Your Riding Skills, Author: Wendy Murdoch