Mostly Harmless (Hitchhiker, 5) [Adams, Douglas]

It's easy to get disheartened when your planet has been blown up, the woman you love has vanished in a misunderstanding about space/time, the spaceship you are on crashes on a remote and Bob-fearing planet, and all you have to fall back on is a few simple sandwich-making skills. However, instead of being disheartened, Arthur Dent makes the terrible mistake of starting to enjoy life a bit and, immediately, all hell breaks loose.

Hell takes a number of forms: there is the usual Ford Prefect form of hell, fresh hell in the form of an all-new version of The Hitchhiker's Guide to the Galaxy, and a totally unexpected hell in the form of a teenage girl who startles Arthur Dent by being his daughter when he didn't even know he had one.

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Can Arthur save the Earth from total multidimensional obliteration? Can he save the Guide from a hostile alien takeover? Can he save his daughter, Random, from herself?

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Of course not. He never works out what is going on, exactly. Will you?