9780440405832 | Yearling Books, February 1, 1992, cover price $2.99 | About this edition: Lucy Hill visits her friend in Saratoga Springs to solve a mystery at the racetrack, and finds that people in the glamorous world of high society will do anything to win, including fixing races and kidnapping jockeys

9780440405573 | Yearling Books, January 1, 1992, cover price $2.99 | About this edition: After landing a dream job as a riding instructor for the wealthy Mosdale family, Lucy becomes involved in a mystery on the beautiful family estate as she tries to find out who is trying to kill one of the Mosdales and why

9780440405504 | Dell Pub Co, December 1, 1991, cover price $2.99 | About this edition: A very expensive and rare Stradivarious belonging to a world-famous musician is stolen, and Lucy is on the case, but the thieves set up some ominous 'warnings' to frighten Lucy off their trail.

9780440924593 | Dell Pub Co, January 1, 1986, cover price $2.50 | also contains Don't Pick Your Nose, Pinocchio!: A Story About Hygiene | About this edition: A very expensive and rare Stradivarious belonging to a world-famous musician is stolen, and Lucy is on the case, but the thieves set up some ominous 'warnings' to frighten Lucy off their trail.

9780440405252 | Yearling Books, November 1, 1991, cover price $2.99 | About this edition: While visiting her father, a TV producer, in Beverly Hills, Lucy becomes a stunt rider for his series, 'Malibu,' but the entire cast is threatened by a series of dangerous 'accidents'

9780440921264 | Dell Pub Co, October 1, 1985, cover price $2.50 | also contains In Bed With the Bodyguard | About this edition: While visiting her father, a TV producer, in Beverly Hills, Lucy becomes a stunt rider for his series, 'Malibu,' but the entire cast is threatened by a series of dangerous 'accidents'

9780440405122 | Reprint edition (Thomson Learning, October 1, 1991), cover price $2.99 | About this edition: Moving to New York City after her parents' separation, Lucy Hill must come to terms with a glamorous but confusing new life, a situation complicated by her discovery of a stolen car ring and a series of strange incidents at her riding stable

9780440913665 | Dell Pub Co, June 1, 1985, cover price $2.50 | also contains A Stork in a Baobab Tree: An African Twelve Days of Christmas | About this edition: Moving to New York City after her parents' separation, Lucy Hill must come to terms with a glamorous but confusing new life, a situation complicated by her discovery of a stolen car ring and a series of strange incidents at her riding stable

9780440405023 | Dell Pub Co, September 1, 1991, cover price $2.99 | About this edition: When a series of rumors, bizarre accidents, and strange coincidences threatens the stable at Up and Down Farm, amateur sleuth and prospective championship rider Lucy Hill uncovers startling clues pointing to a friend

9780440987321 | Dell Pub Co, March 1, 1985, cover price $2.50 | also contains Time for Kids X-why-z Rain Forests: Little Kids Ask. We Answer. | About this edition: When a series of rumors, bizarre accidents, and strange coincidences threaten the stable at Up and Down Farm, amateur sleuth and prospective championship rider Lucy Hill uncovers startling clues pointing to a friend

9780440405016 | Dell Pub Co, September 1, 1991, cover price $2.99 | About this edition: Investigating a break-in at the tack shop belonging to her best friend Jenny's mother, amateur detective Lucy Hill discovers that the intruder has taken nothing, but that Jenny's family could be in danger