This is the exciting sequel to the internationally acclaimed and bestselling CATHY'S BOOK. When the technicians working for Ancestor Lu discover the key to the immortality genetic structure, Victor names it the 'Cathy Key' in honour of his quest to make Cathy immortal. But events go fatally wrong and soon a homicide investigation is underway and Cathy, once again, is a little too close for comfort ... CATHY'S KEY is a brilliantly involved thriller, a love story and an entirely interactive experience with further developments to the website, phone numbers and online activity which make this package so unique and special.