The cover of a book titled 'Penetration' featuring an illustration of a space shuttle with a flag on top, set against a starry space background. The shuttle is depicted with a large, detailed structure on its side, and there are two astronauts visible, one near the bottom left corner and another near the bottom right corner. The title 'Penetration' is prominently displayed at the top, and the subtitle 'The Question of Extraterrestrial Intelligence and the Roman Catholic Church' is written below it. The author's name, 'Ingo Swann', is at the bottom.