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Sonic the Hedgehog in Castle Robotnik

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Sonic the Hedgehog in Castle Robotnik is the fourth Sonic book written by Martin Adams. It was published in 1994 by Virgin Books.


Dr. Robotnik plots to defeat Sonic by building a Frankenstein version of him. Werewolves, vampires and mummies lie in wait for Sonic and his sidekick, Tails, as they venture into Robotnik's mountaintop castle for a cataclysmic confrontation.


Sonic the Hedgehog in other media
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