Jeff Carlson is the international bestselling author of "Plague Year," "Long Eyes," "Interrupt" and "The Frozen Sky." To date, his work has been translated into sixteen languages worldwide. His new novel is "Frozen Sky 3: Blindsided." Readers can find free fiction, contests, videos and more on his web site at http://www.jverse.com

David Brin is a scientist, speaker, and world-known author. His novels have been New York Times Bestsellers, winning multiple Hugo, Nebula and other awards. At least a dozen have been translated into more than twenty languages. Existence, his latest novel, offers an unusual scenario for first contact. His ecological thriller, Earth, foreshadowed global warming, cyberwarfare and near-future trends such as the World Wide Web. A movie, directed by Kevin Costner, was loosely based on his post-apocalyptic novel, The Postman. Startide Rising won the Hugo and Nebula Awards for best novel. The Uplift War also won the Hugo Award. His non-fiction book—The Transparent Society: Will Technology Force Us to Choose Between Freedom and Privacy? — deals with secrecy in the modern world. It won the Freedom of Speech Prize from the American Library Association. Brin serves on advisory committees dealing with subjects as diverse as national defense and homeland security, astronomy and space exploration, SETI, nanotechnology, and philanthropy. David appears frequently on TV, including "The Universe" and on the History Channel's "Life After People." Full and updated at: http://www.davidbrin.com/biography.htm