Triplanetary

Triplanetary is a two-part sci-fi novel and space opera by E. E. Smith, published in 1948. The first part describes the series background, which shows tensions and conflicts between the malevolent Eddorians and the kindly Arisians. In the final part of the book, civilization has been reconstructed with the hidden help of the Arisians; but with everything still at risk... Enjoy this enthralling sci-fi space opera of the most epic proportions!