Runaway fireball!
A churning nuclear vortex, appearing out of nowhere, wreaking utter destruction - and countless numbers of them were menacing planets throughout the galaxy! 'Storm' Cloud, nucleonic genius, set out in his spaceship Vortex Blaster to track and destroy the mysterious vortices - and embarked on a saga of discovery and conflict among the far stars and the worlds of the Lensmen...
Masters of the Vortex is the seventh self-contained novel in E.E. 'Doc' Smith's epic Lensman series, one of the all-time classics of adventurous, galaxy spanning science fiction.