About the Author
JAMES GUNN is the Hugo Award-winning science fiction author of The Joy Makers, The Immortals, and The Listeners, and the coauthor, with Jack Williamson, of the classic epic SF novel Star Bridge. He lives in Lawrence, Kansas.
JACK WILLIAMSON (1908–2006) was born in Arizona in 1908 and sold his first story at the age of twenty. He was the second author to be named a Grand Master of Science Fiction by SFWA and is credited with inventing the terms "terraforming" and "genetic engineering."--This text refers to the Paperback edition.