Amy's secret sister /
written by Jamie Suzanne ; created by Francine Pascal.
- New York : Bantam Books, 1994.
- 134 p. ; 19 cm.
- Sweet Valley twins and friends #83 Sweet Valley twins and friends series A Bantam Book .
- Sweet Valley twins and friends ; #83. .
Amy Sutton has just made a discovery that will change her life forever: Before her father married her mother, he was married to someone else. And not only that--he and his former wife had a baby. Amy has a sister!