DAVID GERROLD started writing professionally in 1967. His first sale was "The Trouble with Tribbles" episode of Star Trek. Within five years, he had published seven novels, two books about television production, three anthologies, and a short story collection. He was nominated for the Hugo and Nebula awards six times in four years. Since 1967, he has published more than forty books. Several of his novels are considered classics, includingThe Man Who Folded Himself, When HARLIE Was One, and the four books in The War Against The Chtorr. The essays in this book were originally published under the name "Future Tense by David Gerrold" in the magazine Maximum PC. Visit their Web site at maximumpc.com.