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He has published three novels -- 2006 's Heavy Metal and You , 2008 's Venomous , and 2012 's Gravediggers : Mountain of Bones ( intended as the first in a series ) -- and written for the heavy metal magazine Revolver Magazine .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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