Scientists Dick Seaton and Marc DuQuesne were the deadliest enemies in the galaxy and their feud had blazed among the stars and challenged the history of a thousand planets. But now a threat from outside the galaxy drove them into a desperate alliance as hordes of strange aliens stormed through space on a collision course with Man. Seaton and DuQuesne fought side by side to fend off the invasion - as Seaton kept constant, perilous watch for DuQuesne's inevitable double-cross. We are delighted to publish this classic book as part of our extensive Classic Library collection. Many of the books in our collection have been out of print for decades, and therefore have not been accessible to the general public. The aim of our publishing program is to facilitate rapid access to this vast reservoir of literature, and our view is that this is a significant literary work, which deserves to be brought back into print after many decades. The contents of the vast majority of titles in the Classic Library have been scanned from the original works. To ensure a high quality product, each title has been meticulously hand curated by our staff. Our philosophy has been guided by a desire to provide the reader with a book that is as close as possible to ownership of the original work. We hope that you will enjoy this wonderful classic work, and that for you it becomes an enriching experience.