Author Edward P Jones has won the Impac Award, the world's richest literary prize for a single work of fiction.
Edward P Jones' novel was selected from a longlist of 147 candidates
The Known World was selected from a shortlist of 10 books to win the 100,000 euro (£66,000) prize, presented in Dublin on Wednesday.
The debut novel from American author Jones won the Pulitzer Prize for Fiction in 2004
The international judging panel called the book, about slavery, "vividly conceived and profoundly humane".
The International Impac Dublin Literary Award is open to novels written in any language by authors of any nationality, provided the book has been published in or translated into English.
The 10 shortlisted titles were selected from a longlist of 147, nominated by 185 libraries from 51 countries.
Other authors included Damon Galgut, whose The Good Doctor was shortlisted for the 2003 Booker Prize and Shirley Hazzard, winner of the National Book Award for The Great Fire.
Last year's Impac prize was won by Moroccan author Tahar Ben Jelloun's This Blinding Absence of Light, about an underground prison in the deserts of Morocco.