Tom Corbett: Stand by for Mars

The first novel in the Tom Corbett series by Carey Rockwell (a pseudonym for the house authors of this and other 50s US tv tie-in series) .

Join plucky Tom Corbett as he begins his career in the Solar Guards as a space cadet alongside the super strong Venusian, Astro, and the unfriendly underhand Roger. Will the unlikely threesome pass muster, obtain a spaceship and head for the stars?