Within the pages of very rare books, some centuries old, lie the secrets of the paranormal. Abby Radwell’s unusual psychic talent has made her an expert in such volumes — and sometimes taken her into dangerous territory. After a deadly incident in the private library of an obsessive collector, Abby receives a blackmail threat, and rumors swirl that an old alchemical text known as The Key has reappeared on the black market. A number of ruthless people are searching for the book. Some believe that Abby can find it for them. Abby wants no part of it. But the pressure mounts after a rare-book dealer dies mysteriously. Convinced that she needs an investigator who can also play bodyguard, Abby hires Sam Coppersmith, an expert in paranormal crystals and amber — “hot rocks.