THE DARK REMAINS (2021) **** by William McIlvanney and Ian Rankin This paperback edition published by Cannongate Books, 2022, 316pp (282pp) First published in 2021 © The Estate of William McIlvanney and John Rebus Ltd., 2021 includes a Q&A between Ian Rankin and William McIlvanney from 2013 (26pp) and the first chapter of McIlvanney’s 1977…