Congratulations to Claire Douglas and The Couple at No 9, which has held the Amazon Charts' Most-Sold: Fiction number one spot for a second consecutive week. Frank Herbert's Dune and Lee and Andrew Child's Better Off Dead have joined her in the top three.

When pregnant Saffron Cutler moves into 9 Skelton Place with boyfriend Tom and sets about renovations, the last thing she expects is builders uncovering a body. Two bodies, in fact. Forensics indicate the bodies have been buried at least thirty years, which leads the police to question the cottage's former owner - Saffy's grandmother, Rose. Rose's Alzheimer's means her memory is increasingly confused. She can't help the police - but it is clear she remembers something. As Rose's fragmented memories resurface, and the police dig ever deeper, Saffy fears she and the cottage are being watched…