Best selling author Timothy Zahn has been writing science fiction for over thirty years. In that time he has published forty novels, nearly ninety short stories and novelettes, and four collections of short fiction. Best known for his eight Star Wars novels, he is also the author of the Quadrail series, the Cobra series, and the young-adult Dragonback series. Recent books include Terminator Salvation: Trial by Fire, a sequel to the movie, and Cobra Guardian, the second of the Cobra War Trilogy. Upcoming books include Star Wars: Choices of One, and Judgment at Proteus, the final book of the Quadrail series. Also scheduled for this Sepember is a 20th Anniversary edition of his first Star Wars book, Heir to the Empire.