7What are the single most important variables in racquet performance? What racquet and string features combine to provide the most control, comfort, and feel? How can a player create maximum spin? This informative primer answers these and other elusive equipment and performance-related questions that perennially plague hackers and experts alike. A simplified, layperson's companion to the authors' previous work, The Physics and Technology of Tennis, this conveniently sized guide to selecting racquets and strings includes bite-sized explanations of the possible expectations of equipment choices.