The sixth book in the exciting AMP series! After escaping from the Colossuns the Humans find themselves in new trouble. Out of resources and out of fuel they must risk discovery by a new species who appears to be more barbaric than those that have come before. The Human fleet remains years away. The action continues as Don Grange must once again fight for the survival of all mankind!Also available from this author:"SODIUM:1 Harbinger" - A sci-fi action adventure of a first alien encounter in the 1950s"SODIUM:2 Apocalypse" - The aliens return in modern day and attack"SODIUM:3 Fusion" - The aliens return with an even larger force"SODIUM:4 Gravity" - A new world explored and the battle for Earth moves into high gear!"SODIUM:5 Assault" - It's time to take the fight to their world!"SODIUM:6 Defiance" - The final fight for Earth's survival. Winner rules the galaxy!"AMP Messenger" - In a distant galaxy, Humans are on the run..."AMP Private War" - Some were just born to lead..."AMP Blitzkrieg" - Strike with surprise and speed..."AMP Rebellion" - Watch your back Human... "AMP Colossus" - Who dares violate our space..."AMP Siege" - They come after dark..."AMP The Core" - The inside of knowledge..."AMP Armageddon" - The four horsemen..."OMEGA Exile" - My sector, my rules...