Onslaught from Rigel: With linked Table of Contents

'Onslaught from Rigel' is Fletcher Pratt's classic tale of interplanetary warfare. Mankind struggles to defeat a foe far more powerful than itself, the Lassans from the Planet Rigel. Will life on Earth ever be the same? Fast paced and inventive! "Pratt's reputation rests secure." — Everett F. Bleiler