Roaming the blasted planes of the Wild West, he moves between friends, foes and lovers, fighting to keep just one step ahead of the law.
Yet in this twisted wasteland - a country of mad dogs, of sweat and gore and blinding heat - the sheriffs play dirty too.
Melding prose, poetry, imagined interviews and ephemeral photography, Ondaatje weaves together a lyrical reinterpretation of Billy's short, infamous existence, forming a portrait of a young man, and a young country, borne out of violence, threaded through with disaster, yet rich in wonder.
