The Heart in Winter by Kevin Barry

He was ready to die for love. He just needed to find the right girl. October, 1891.

Tom Rourke is a poet struggling to make a life amongst the Irish migrant workers in Butte, Montana. He is a doper and a drinker and a fearsome degenerate. His life is heading nowhere fast.

That is until he meets Polly Gillespie, the new bride of a devout mine captain, and a thunderbolt love affair takes spark. Tom and Polly strike out west on a stolen horse. But a posse of deranged Cornish gunsmen are in hot pursuit of the lovers, and closing in fast .