319256
His work has appeared in Heavy Metal and Radio Times magazines , on book covers ( including series based on the Conan the Barbarian character , TV 's Doctor Who and the Fighting Fantasy gamebook series ) , and in collections of his own work .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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