In 2007, I published this book, which is essentially a continuation of The Mechanics of Wonder: The Creation of the Idea of Science Fiction (1998), offering additional information and analysis about Hugo Gernsback's career and his broad impact on the field of science fiction.

Here is the publisher's description of the book, and here is its Table of Contents:

Acknowledgments

Introduction

Part I. Hugo Gernsback the Editor

1. Cremators of Science Fiction:

Brian Stableford and John Clute on Hugo Gernsback and His Legacy

2. The Popular Tradition of Science Fiction Criticism, 1926-1980

3. Wanted: A Symbol for Science Fiction

4. Peaks and Valleys: Hugo Gernsback's Career as a Science Fiction Editor

Part II. Hugo Gernsback the Author

5. Evolution of Modern Science Fiction:

The Textual History of Hugo Gernsback's Ralph 124C41+

6. "Man against Man, Brain against Brain"

The Transformations of Melodrama in Science Fiction

7. Gadgetry, Government, Genetics, and God:

The Forms of Science Fiction Utopia

8. "The Gernsback Continuum": Cyberpunk in the Context of Science Fiction

9. Scientific Adventures: Hugo Gernsback's Career as a Science Fiction Writer

Bibliography

Index

Early versions of two chapters are available online at the Science Fiction Studies website:

"Evolution of Modern Science Fiction: The Textual History of Hugo Gernsback's Ralph 124C 41+." Science-Fiction Studies, 23 (March 1996), 37–92.

"The Popular Tradition of Science Fiction Criticism, 1926-1980." Science Fiction Studies, 26 (July 1999), 163–186.

On January 6, 2008, radio station WICN broadcast my interview with Mark Lynch about this book, which you can listen to here (MP3 file).