CATHY'S BOOK was a groundbreaking, interactive novel that was a teen sensation. Perhaps less noticeable was the heart of the book: a good story well told. Now in CATHY’S KEY, fans of Cathy Vickers return to the exciting, unpredictable world that made the first book such a success.

Cathy was your average high school student --- doodling in the margins of her journal, crushing on a cute boy, and hanging out with her best friend Emma. As this story begins, she’s trying to keep a job, her journal is stolen, the cute boy is not who he seems to be, and even Emma’s side project/start-up company, Doubletalk Wireless, is about to get caught up in the mystery surrounding Cathy and her search for the truth about her presumed-dead father. It’s just a simple story really: Girl loves Boy, Boy disappears, Girl discovers secret that will alter the course of humanity...