"Motor Boys in the Clouds" is a children's adventure novel written by H. Irving Hancock. It is part of the Motor Boys series, which follows a group of young boys who share a passion for automobiles and adventure. In this installment, the boys embark on a thrilling journey that takes them into the skies, exploring the world of aviation. The story combines elements of friendship, teamwork, and excitement as the boys face various challenges. Their adventures highlight the importance of courage and ingenuity, making it an engaging read for young audiences interested in transportation and exploration.