"Zeb, Deety, Hilda and Jake are ambushed by the alien "Black Hats" and barely escape with their lives on a specially configured vehicle (the Gay Deceiver) which can travel along various planes of existence, allowing them to visit parallel universes. However, unknown to most fans, Heinlein had already written a "parallel" novel about the four characters and parallel universes in 1977 - "The pursuit of the Pankera". He effectively wrote two parallel novels about parallel universes. The novels share the same start, but as soon ...
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"Zeb, Deety, Hilda and Jake are ambushed by the alien "Black Hats" and barely escape with their lives on a specially configured vehicle (the Gay Deceiver) which can travel along various planes of existence, allowing them to visit parallel universes. However, unknown to most fans, Heinlein had already written a "parallel" novel about the four characters and parallel universes in 1977 - "The pursuit of the Pankera". He effectively wrote two parallel novels about parallel universes. The novels share the same start, but as soon as the Gay Deceiver is used to transport them to a parallel universe, each book transports them to a totally different parallel world. From that point on the plot lines diverge completely. "--
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