Name of the book: To Love a Traitor
Genre: MM Romance
Book publish year: 2015
Rating (out of 5): 3
Brief intro:  Wounds of the heart take the longest to heal.
When solicitor’s clerk George Johnson moves into a rented London room in the winter of 1920, it’s with a secret goal: to find out if his fellow lodger, Matthew Connaught, is the wartime traitor who cost George’s adored older brother his life.
Yet as he gets to know Matthew—an irrepressibly cheerful ad man whose missing arm hasn’t dimmed his smile—George begins to lose sight of his mission.
As Matthew’s advances become ever harder to resist, George tries to convince himself his brother’s death was just the luck of the draw, and to forget he’s hiding a secret of his own. His true identity—and an act of conscience that shamed his family.
But as their mutual attraction grows, so does George’s desperation to know the truth about what happened that day in Ypres. If only to prove Matthew innocent—even if it means losing the man he’s come to love.

Review: Better enjoyed if you haven't read Dulce et Decorum Est by the same authot a shorter version of this book. Fascinating all the same.