One More Summer (Summer Days #01)
Heidi Champa

But when the guy in the cabin next door turns out to be one of Scott’s former students, Gavin Walters, the quiet summer he pictured goes right out the window. Gavin becomes the most popular new face at The Acres, and while Scott is attracted—very attracted—to the young man, he’s wary of their age difference and all the extra attention Gavin generates from others. Yet despite the gossip Scott hears around camp, Gavin makes it clear he has eyes only for him.
Can Scott learn to trust his heart again after so many years, or will his insecurity stop him from moving on?