I know nothing comparable to it except <i>The Lord of the Rings</i>
Arthur C. Clarke on Dune
It is possible that <i>Dune</i> is even more relevant now than when it was first published
The New Yorker on Dune
An astonishing science fiction phenomenon
The Washington Post on Dune
One of the monuments of modern science fiction
The Chicago Tribune on Dune
Powerful, convincing, and most ingenious
Robert A. Heinlein on Dune
A novel of extraordinary complexity ... the work of a speculative intellect with few rivals in modern SF
The Encyclopedia of Science Fiction on Dune
A tight mesmerising fabric, interwoven with a potent element of mysticism ... intensely realised
Brian W. Aldiss on Dune