This image is the cover for the book Masters of the Vortex, Classics To Go

Masters of the Vortex, Classics To Go

A churning nuclear fireball, appearing out of nowhere, bringing 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 adventure, discovery and conflict among the far stars that could have been told only by the incomparable "Doc" Smith. (Goodreads)

E. E. Smith

Edward Elmer Smith (May 2, 1890 – August 31, 1965), publishing as E. E. Smith, Ph.D. and later as E. E. "Doc" Smith, was an American food engineer (specializing in doughnut and pastry mixes) and science-fiction author, best known for the Lensman and Skylark series. He is sometimes called the father of space opera.

OTB ebook