The Secret Place by Tana French

A year ago a boy was found murdered at a girlsʼ boarding school, and the case was never solved. Detective Stephen Moran has been waiting for his chance to join Dublin’s Murder Squad when sixteen-year-old Holly Mackey arrives in his office with a photo of the boy with the caption: “I KNOW WHO KILLED HIM.” Stephen joins with Detective Antoinette Conway to reopen the case—beneath the watchful eye of Holly’s father, fellow detective Frank Mackey. With the clues leading back to Holly’s close-knit group of friends, to their rival clique and to the tangle of… Read more.