Man overboard

"In New York Times bestselling author J.A. Jance's gripping new thriller, Man Overboard, two tech geniuses face off--one intent on saving lives, the other on ending them. Cybersecurity expert Roger McGeary finally has his life back on track after years of struggling with depression. But when he falls from the balcony of his suite on an all-expenses-paid cruise, the police quickly dismiss it as "death by misadventure," a vague phrase leaving much to interpretation. Unsatisfied, Roger's tough-as-nails aunt, Julia Miller, is determined to find answers and closure. By contacting Roger's childhood…