James Forrester: Judging historical fiction is not as simple as 'accurate equals good' and 'inaccurate equals bad'. It depends on whether the inaccuracies are constructive lies or accidental mistakes
Simon Hoggart: I'm over the moon that the writer, who died in 1979 drowning at the age of 44, won the 'lost' Brooker prize this month for his novel Troubles
Sam Jordison: It may be four decades overdue, but at least JG Farrell's Lost Booker triumph will bring his work of genius to the wider audience it deserves
Jonathan Jones: Detractors of the controversial author won't find much in The Pregnant Widow to change their minds. But this clever novel deserves a Booker prize