        It wasn’t the most detailed book he could find, but it did offer one advantage over all the others—it was filled with glossy photos of the Solar System and stars and comets—but only had one single photo of a manned spacecraft, the iconic image of the first Lunar landing.  He hoped that they would see this book and assume that humanity had traveled to all those planets.  Once they knew enough to communicate on a more sophisticated level, he could admit that they had not yet accomplished long-distance manned space missions yet.  