Spider World: The Delta (1987) is Colin Wilson’s eighteenth novel and the second in a science fantasy quartet that, as a whole, offers itself as Wilson’s evolutionary epic, his most extensive and elaborate imaginative work and his fullest fictional realization of his philosophical position. As Wilson recalls in his autobiography Dreaming to Some Purpose (2004), he originally wrote the first two volumes of the tetralogy as one novel running to a quarter of a million words, but his publisher felt it should be issued as two separate parts (335-6). The first volume, Spider World: The Tower (also 1987), had 398 pages and Delta, though 91 pages shorter, is still a substantial volume at 307 pages (…
Tredell, Nicolas. "Spider World: the Delta". The Literary Encyclopedia. First published 07 May 2013; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=23989, accessed 19 April 2015.]