In the summer of 1982, a third Hitchhiker book was published simultaneously in England and the United States, called Life, the Universe and Everything. This was not based on anything that had already been heard or seen on radio or television. In fact it flatly contradicted episodes 7, 8, 9, 10, 11 and 12 of the radio series. These episodes of “The Hitchhiker’s Guide to the Galaxy,” you will remember, had already been incorporated in revised form in the book called The Restaurant at the End of the Universe.
