This book provides a detailed study of the relationship between science fiction and other genres. After discussing the problems inherent in classifying works according to genre, Pierce notes how science fiction sometimes incorporates plots from other literary forms. He then explores the relationship between science fiction and related genres, such as fantastic romances and techno-thrillers. The book next examines those science fiction writers who have successfully written in other literary forms, as well as authors active in other genres who have turned to science fiction to treat particular themes. Pierce also discusses the literary and stylistic aspects of science fiction. Throughout the book, Pierce's coverage is encyclopedic in nature. He provides examples from numerous works, and the volume closes with a detailed bibliography.