From the Sunday Times bestselling author of The Goodbye Man, discover Jeffery Deaver's chilling series featuring much-loved protagonists Lincoln Rhyme and Amelia Sachs. Someone is killing couples just as they start their lives together. Newlyweds Lincoln Rhyme and Amelia Sachs are on the hunt . . . The first victims, William and Anna, were collecting 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. The killer is hunting down any witnesses who might lead to his capture. He has promised one thing: to destroy. But Rhyme and Sachs will do whatever it takes to break his vow. 'The best psychological thriller writer around' The Times