9781568000022 | Rev sub edition (Sports Illustrated, September 1, 1994), cover price $11.95 | About this edition: Describes basic offensive formations, and discusses the roles of the linemen, wide receivers, running backs, quarterbacks, and kickers

9781568000350 | Rev sub edition (Sports Illustrated, June 1, 1994), cover price $9.95 | About this edition: Describes basic offensive formations, and discusses the roles of the linemen, wide receivers, running backs, quarterbacks, and kickers

9781439504826 | Reprint edition (Paw Prints, June 26, 2008), cover price $20.95

9781568000039 | Rev sub edition (Sports Illustrated, September 1, 1994), cover price $13.95 | About this edition: Offers advice on conditioning, describes the roles of linemen, linebackers, and the secondary, and discusses defensive strategy

9781568000343 | Rev sub edition (Sports Illustrated, June 1, 1994), cover price $9.95 | About this edition: Offers advice on conditioning, describes the roles of linemen, linebackers, and the secondary, and discusses defensive strategy

9781568000060 | Subsequent edition (Sports Illustrated, July 1, 1994), cover price $12.95 | About this edition: Demonstrates techniques and strategies for improving one's skills on the tennis court

9781568000015 | Rev sub edition (Sports Illustrated, August 1, 1993), cover price $12.95 | About this edition: Details steps in the pitching sequence, illustrates errors commonly made by pitchers, and provides instruction in an assortment of pitches to suit specific situations

9780396080763 | Putnam Pub Group, October 1, 1982, cover price $10.95 | About this edition: Robin and her friend, Jerry, attempt to find the families of her new friends, Adam and Emmy, and Robin meets with real difficulty and dangers before the mysteries are solved

9780396079804 | Putnam Pub Group, October 1, 1981, cover price $8.95 | About this edition: Robin becomes involved in a new mystery when she takes a summer job in a historic house.