CAN YOU EVER REALLY KNOW THE PEOPLE NEXT DOOR? Cowerworth is the picture perfect neighbourhood. Its manicured lawns and low crime rates make it the ideal place to raise a family. But in a quiet suburb, someone is always watching. And all eyes are on the couple who have just moved in. Marcus and Gina are everything you could want in neighbours: polite and friendly. They seem to be the perfect fit. Except Marcus has a secret. And you're his next victim. Irreverent, dark and addictive, KNOCK KNOCK is a nail-biting, spine-tingling and thrilling ride, with a KILLER twist. --- Readers are hooked on Michelle's debut, GO SEEK: '⭐ ⭐ ⭐ ⭐ ⭐ If I could give this book 6 stars I would. It was an absolutely thrilling ride and I LOVED IT' '⭐ ⭐ ⭐ ⭐ ⭐ Absolutely deserves five stars!!!! Fast-paced, unputdownable! I absolutely love a badass [female] main character' '⭐ ⭐ ⭐ ⭐ ⭐ I loved this book . . . couldn't read it quick enough' '⭐ ⭐ ⭐ ⭐ ⭐ This was very clever . . . amazing read. I was fully sucked in from the very first chapter' '⭐ ⭐ ⭐ ⭐ ⭐ Such an exciting read . . . I enjoyed every moment' '⭐ ⭐ ⭐ ⭐ ⭐ There were so many twists, lies and secrets . . . fantastic' '⭐ ⭐ ⭐ ⭐ ⭐ A real action packed thriller from the very first page . . . so many twists and turns' '⭐ ⭐ ⭐ ⭐ Wow! So many crazy twists and turns' From the author of GO SEEK comes a dark, high-octane thriller about a tight-knit suburban community in Cork and what happens when one fearlessly protective mother is threatened by her next-door neighbour.