These 3 books are designed to help beginning players attempting to develop skills in racquetball. It has photos and illustration presented to aid in comprehending the skills of the game. The Instructor Guide book has quizzes, evaluations, drill test, scoring sheets, bracket play, etc. ISBN #0-89582-220-2. Both books like new. Included in the package is a rubric that I designed for lower level students and I'm adding an extra book Paddleball and Racquetball by William Flemming and Joel A. Bloom 1973 ISBN #0-87620-660-7.