Rangers of the universe

"Ralph Hannon and his two young brother, Tom and Allister, set out in their super rocket ship, the "FLAME," to return to the Earth. En route, they are diverted by a terrific electric storm, and are captured by the "Pirates of the Stratosphere". How the "FLAME" and her young adventurers extricate themselves, and the further thrilling trials, into which their escape plunges them, will hold the interest of the reader from start to finish."