Potter, Diane L., 1935- Softball : steps to success / Diane Potter, Lynn V. Johnson. - 3rd ed. - Champaign, IL : Human Kinetics, c2007. - xii, 211 p. : ill. ; 28 cm. - Steps to success . ISBN: 9780736059534 Subjects--Topical Terms: Slow pitch softball x Training.Softball--Training.