A couple that kills together stays together. * A BBC RADIO 2 BOOK CLUB PICK * DISCOVER THE ADDICTIVE THRILLER READERS CAN'T STOP TALKING ABOUT 'Believe the hype! Unputdownable, twisty, deftly written thrill ride.' ⭐ ⭐ ⭐ ⭐ ⭐ 'I read it in two days, so engrossing!' ⭐ ⭐ ⭐ ⭐ ⭐ 'Desperate Housewives meets Dexter.' ⭐ ⭐ ⭐ ⭐ ⭐ 'Sexy, stylish, thrilling. A razor-sharp tale of marriage and murder.' CHRIS WHITAKER 'Your sassy, twisted must-read of 2025' JANICE HALLETT 'If you liked Mr & Mrs Smith, you'll love this' CLARE MACKINTOSH 'Darkly funny and clever' KATY BRENT...