Saigon Wife — Colin Falconer

You don't have to kill him. You just have to let him die.
Saigon 1970.
Magdalena Fuentes has come a long way from the spoiled little rich girl of her Havana days. She is a wife now, and her husband is a seasoned journalist, who has come to Saigon following the biggest story of his career.
It's a story some very powerful and very dangerous people don't want him to tell.
But Reyes Garcia is in Saigon, too. He's the only man she ever really loved â€" and now he's the only man who can save her husband from the trouble he's in.
Or … he and Magdalena can finally be together. All he has to do â€" is do nothing. All he has to do is let him die.
In the final days of the war-torn city, two lovers are forced to search deep inside themselves and find out who they really are. The last novel in the Havana Girl trilogy, it is a novel about love, and about the choices it can force us to make.