Russian and American engineers are currently packing their bags for a weekend on the moon. The trip will not be lacking in complications, as is made clear in this compact, little survey of man in space. A well-known British astronautical scientist explains with lucidity the technicalities of manned satellites and interplanetary travel. The book is loaded with elementary equations and graphs, but there's nothing much higher than trig and there are plenty of word pictures for the mathematical novice. All in all, it's competent without the popular appeal of Willy Ley or Arthur Clarke. There may be later editions-- provided we continue to shoot rockets in space instead of at each other.