'Part two of the "Dune trilogy"' - cover.
Originally published: London : Gollancz, 1971. - 'A shorter version of this book appeared in "Galaxy magazine" for July-September, 1969' - title page verso.
Dune messiah by Frank Herbert. ISBN 0450041565. Published by New English Library in 1980. Publication and catalogue information, links to buy online and reader comments.