The Lensman
"They came from an alien time continuum with the sole intention of subjugating the Lensmen and ruling the entire galaxy and everything in it. But the Lensmen had no intention of letting that happen [...] Collected together in one binding for the very first time are all six Lensman novels and the final book of Lensman short stories for 7 complete books with over eleven hundred pages and six hundred thousand words of pulse-pounding science fiction adventure. This epic space opera covers more than 3000 years of human evolution and their desperate fight for freedom"--