The fifth book in the exciting AMP series! The Grid has come to rest in a new sector. New hostiles emerge, once again setting the Human existence in jeopardy. A peek is given of the origin of the Human race. Follow along with the action as the follies of Don Grange and his Gray Ghoul fighters continues!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...