The Dark Tower: Treachery Peter David, Robin Furth

The story depicts The ka-tet of Roland Deschain, Alain Johns and Cuthbert Allgood dealing with the events following their return to Gilead from Hambry, including the toll that Maerlyn's Grapefruit has taken on Roland's health, his obsessive desire to continue peering into its depths, and the search for John Farson and the Big Coffin Hunters. Это и многое другое вы найдете в книге The Dark Tower: Treachery (Robin Furth, Peter David)