Heart First - Hudson Valley Murder Mysteries, #1

Daniel Rosenbaum leads a predictable life. He's a professor at Lobell, a small liberal arts college in the Hudson Valley, where he spends his days teaching classes and doing research alongside his friends and fellow professors, Colette and Mario. The biggest change Daniel's routine has seen in years is when car trouble leads him across the Hudson and into an unexpected romantic encounter with local mechanic Tony.
When tragedy strikes in the form of Mario's murder, Daniel's orderly life is thrown into chaos. Not only is his friend dead, it seems Mario was keeping secrets that could cause rifts in Lobell's close-knit community. At first, Daniel's intensifying relationship with Tony is the only way he can find solace from his grief and confusion. But all too soon, the trail of Mario's secrets leads Daniel to the same place he's been seeking comfort: Angel Automotive, the auto repair shop run by Tony's family.
Before long, Daniel is forced to question everything: his friends, his job, the way he lives his life, and the relationship he's not even sure he's in yet. Only one thing is for sure: Daniel is falling heart-first-in love or into mortal danger.