The apocalypse troll

Spaceships From 25th Century Earth Pursue An Enemy Battle Group, Travelling Back In Time To Destroy 21st Century Earth. The Spaceships Catch Up When The Enemy Has Already Arrived On 21st Century Earth And Battles Follow. There Is Also A Romance Between Two Warriors, A Man From The 21st Century And A 25th Century Woman. David Weber. Usn Vs Ufos. Captain Richard Aston thinks he can have a relaxing vacation as he sails across the Atlantic, but when he rescues a woman who claims to be an alien from the future, he finds himself involved in an interstellar war that threatens to destroy Earth and the future of the universe. A superb stand-alone novel of alien invasion from the author of the bestselling Honor Harrington series.