Elizabeth Knox’s new novel The Absolute Book is set in London, Norfolk, the Wye Valley, and Auckland, as well as in the hospitals and train stations of Purgatory. Old acts of revenge return with force, as three people are driven towards a reckoning felt in more than one world. Craig Cliff’s second novel Nailing Down the Saint explores the life of St Joseph of Copertino, as recreated by the movie industry. Can rational materialism explain everything? Join Kate Duignan to discuss parallel worlds, moral reckonings and religious borrowings in these novels.