Kathryn Lilley is a crime writer and former journalist who pens the bestselling Fat City Mysteries, published by Signet/Obsidian. She grew up on the east coast, received her undergraduate degree from Wellesley College, and later graduated from Columbia University Graduate School of Journalism.

Kathryn has written four young adult detective mysteries for the Nancy Drew series under the pseudonym Carolyn Keene. Her most recent work, Blood Remains, appeared in the short story anthology, Fresh Kills.

Kathryn resides in Hermosa Beach, California, with her family and three cats.