Congratulations to Claire Douglas, who is a German bestseller for the thirteenth week with Beste Freundin (Then She Vanishes)!

Then She Vanishes (aka Beste Freundin) follows two former best friends, Jess and Heather, who are torn apart by the disappearance of Heather's sister, Flora. Years later, when a brutal double murder shakes their childhood town, Jess returns home…because the suspect is Heather…

Richard Osman’s The Thursday Murder Club also features on the list at number 3.