When Alpha Kappa Chi sorority sister Jen dies, Sydney Barstow learns Jen was also a rookie agent for SD-6 and was set for an important mission while AKX was in Hawaii. Now Sydney must infiltrate the sorority, carry out Jen's mission, and find out what happened to her sister agent. Original.

Sister Spy 2003, Bantam Books for Young Readers, New York, NY

ISBN-13: 9780553494013

Mass-market paperback