Whodunits are ideal summer reading material. Whether you’re heading for the beach or the backyard hammock, pack a little mystery in your book bag. What Have You Done? Shari Lapena Doubleday Canada Shari Lapena is a one-woman crime wave, with past titles including An Unwanted Guest, The Couple Next Door and Not a Happy Family.

In her latest murder mystery, landing in bookstores July 30, the residents of a small town in Vermont are shaken when the body of a teenage girl turns up in a farmer’s field. In a place where nobody locked their doors until now, it isn’t long before friends and neighbours are seeing one another as potential suspects. I Will Ruin You Linwood Barclay William Morrow A fresh entry from man of mystery Linwood Barclay (Find You First, Elevator Pitch, A Noise Downstairs).

When English teacher Richard Boyle spots a man in the school parking lot wearing military garb and a suicide vest, he acts on instinct, issuing instructions to students, raising the alarm and heading off the intruder at an unlocked entrance. But while he convinces the would-be bomber to stand down, Boyle’s nightmare is only beginning. Why was a former student trying to blow up the school? And why is a blackmailer suddenly intent on blowing up Boyle’s life? We need to know.

That’s why they call it a page-turner. Norman’s Conquest Don Butler Ottawa Press and Publishing Following a near-fatal heart attack, old-school journalist Norman Pugsley takes an early retirement. But just when.