Triplanetary is a space opera by E. E. Smith originally serialized in Amazing Stories magazine in 1934. Smith later reworked the story into the first of two Lensman prequels which was then published in 1948. This is the expanded version including chapters covering the Kinnison genetic line during the fall of Atlantis and Nero's reign in Rome and the members of the Kinnison line in World Wars One, Two and Three..Triplanetary covers an eons-long eugenics project of the super-intelligences of the Arisians an alien race breeding two genetic lines to become the ultimate weapon in their cosmic war with the Eddore.