Number one bestselling author and ultimate thriller writer Jeffery Deaver returns with a new Lincoln Rhyme investigation.

Rhyme and Amelia Sachs' latest case: catching a terrifying killer targeting couples...

The happiest time of their lives - will be their last.

William and Anna went to collect her engagement ring.

1.5 carat, almost flawless.

But the Promisor had other ideas for their future...

Their murder - and that of the diamond cutter they were visiting - is only the first of a series of macabre attacks. Someone is targeting couples just as they start their lives together. Lincoln Rhyme and Amelia Sachs, newly married themselves, are on the hunt.

But the killer is hunting down any witnesses who can help them. He has promised one thing: to destroy. Rhyme and Sachs will have to use all their own skills and determination to break his vow.

Jeffery Deaver is the award-winning author of three collections of short stories and 32 internationally bestselling novels, including the 2011 James Bond novel Carte Blanche. He is best known for his Lincoln Rhyme thrillers, which include the number one bestsellers The Vanished Man, The Twelfth Card and The Cold Moon, as well as The Bone Collector which was made into a feature film starring Denzel Washington and Angelina Jolie. The first Kathryn Dance novel, The Sleeping Doll, was published in 2007 to enormous acclaim. A three-time recipient of the Ellery Queen Reader's Award for Best Short Story of the year, he has been nominated for an Anthony Award and six Edgar Awards from the Mystery Writers of America. He won the WHSmith Thumping Good Read Award in 2001 and in 2004 won the Crime Writers' Association Steel Dagger for Best Thriller with Garden of Beasts, and their Short Story Dagger for The Weekender from Twisted. Jeffery Deaver lives in North Carolina and California. Visit his website, www.jefferydeaver.com, Facebook page, www.facebook.com/JefferyDeaver, and follow him on Twitter at twitter.com/JefferyDeaver.