When a young man is found murdered in a quiet rural village, it sends shock waves through the close-knit local community.

But Carla is more concerned for her teenage daughter, Iris. When Joshua was alive, he humiliated Iris in the worst possible way, and now she’ll be the main suspect in his murder.

As the police investigate every lead, Carla must navigate the murky waters of guilt and betrayal as well as her growing suspicions of what her own daughter might be capable of.

When a shocking revelation threatens to tear her family apart, Carla is forced to ask herself how far she’ll go to protect her loved ones. In a world of secrets and deception, can a mother truly know what lies beneath the surface?

A Mother Always Knows is the powerful new thriller from Diane Jeffrey.

'The Crime Writer bursts with suspense and intrigue with lots of thrilling twists' Jane Corry

'Such a clever premise and so brilliantly executed, The Crime Writer brims with authenticity and atmosphere – I was completely immersed in what it feels like to be at the heart of a high profile missing person case. Tense and twisty’ T. Orr Munro

'An engrossing, enthralling, intriguing thriller' Liz Nugent

‘Compelling storytelling’ Daily Mail