Clasic Sci-Fiction. Similar to Farmer in the Sky or Have Space Suit Will Travel. Nothing profound, no new ideas, really it is just fantasy with rocket ships. Still entertaining, still well written.
Written in 1951. Fairly well ahead of the "come-true" aspects of a futuristic novel.
Classic science fiction.
Classic Heinlein from his "juvenile" series but would be of interest to any science-fiction fan. You just have to understand when it was written (the 1950's) to appreciate it's wholesomeness.
