Tell nobody / Patricia Gibney.

One hot summer evening, eleven-year-old Mikey Driscoll is on the way home from playing with friends. Two days later, his body is discovered on a bed of wildflowers by some local teenagers. The case is assigned to Detective Lottie Parker and this time it's personal. The victim was a close friend of her son, Sean, from the run-down Munbally estate on the other side of town. Sean tells his mother Mikey was behaving normally before he died, but Lottie can't help but feel that her son is keeping something from her...Then days later, another boy is found dead, surrounded by wild flowers next to beautiful Ladystown Lake. On the hunt for a twisted individual with a terrifying calling card, Lottie must uncover the web of secrets within Mikey's circle of friends. Someone is hiding something but who are they protecting and can Lottie find out before it's too late? Lottie is desperate to catch the killer before he strikes again because this time her own child could be in terrible danger...