'First Printing' stated. WARNER BOOKS, NY 1988. This book is a novel by Arthur C. Clarke with addition by Gentry Lee who was a partner with Carl Sagan in the television series COSMOS. First edition of collaboration between old unmarried Arthur and Gentry Lee, who has four children and is happily married and worked for NASA on the 1977 Viking mission to Mars. Trapped in a clash of conspiracies, three adventurers must solve a mystery beyond comprehension. "A top secret missile, that vanishes in mid-flight. A strange golden trident,that changes shape. An underwater cave, guarded by whales, there's something on the ocean floor off Key West. Something powerful. Something terrifying. Something human, and utterly alien. Something that might destroy our future. Something that's about to be found."