The second great Dune trilogy /
Herbert, Frank.
Herbert, Frank.God emperor of Dune.
Herbert, Frank.Heretics of Dune.
Herbert, Frank.Chapter House Dune.
London : Gollancz,
1987.
God emperor of Dune. Originally published: New York : Putnam ; London : Gollancz, 1981. --- Heretics of Dune. Originally published: New York : Putnam ; London : Gollancz, 1984. -- Chapter House Dune. Originally published: New York : Putnam ; London : Gollancz,1985.