From the dust jacket flap: “Here is the first title in a brand-new series about space flight and the men engaged in the race for supremacy of the sky….An exciting and thrilling story that, in fact, follows the testing and training of the real-life astronauts of Project Mercury, along with mystery and adventure in the new “Space Age.”

Good condition. Ex-library. First edition. Protective plastic over dust jacket. Usual library markings inside.

Check my other listings - I’m selling the entire 8-book series!