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Grumbles from the Grave is a posthumous 1989 autobiography of science fiction author Robert A. Heinlein collated by his wife Virginia Heinlein from his notes and writings.

Have Space Suit—Will Travel is a science fiction novel for young readers by Robert A. Heinlein, originally serialised in The Magazine of Fantasy & Science Fiction and published by Scribner's in hardcover in 1958. It is the last of the Heinlein juveniles. Heinlein made use of his engineering expertise to add …