Steven Utley

He wrote poems, humorous essays and other non-fiction, and worked on comic books and cartoons, but was best known for his science fiction stories.

and Other Collaborations (Golden Gryphon Press, 2003) along with Waldrop stories co-written by Leigh Kennedy, Bruce Sterling, Al Jackson, Jake Saunders, and George R. R. Martin.

Described by Brian Stableford in Science Fact and Science Fiction: An Encyclopedia as "[t]he most elaborate reconstruction of a past era in recent speculative fiction," the series employs a variety of literary techniques in recounting the adventures and misadventures of a scientific expedition in the Paleozoic Era and also addresses some implications of the "many-worlds" hypothesis in quantum physics; several of the stories have been reprinted in Gardner Dozois' Year's Best Science Fiction anthologies and the competing Year's Best SF edited by David G. Hartwell and Kathryn Cramer.

Ticonderoga Publications, based in Australia, released the Silurian Tales in two volumes titled The 400-Million-Year Itch (in 2012) and Invisible Kingdoms (in 2013).

[3] A separate series of time-travel stories, launched in Galaxy in 1976 but developed extensively in Asimov's Science Fiction during the 1990s, deals with so-called "chronopaths" and has been collected in book form under the title Where or When (2006).