Oscar Rios

used books, rare books and new books

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  Atomic-Age Cthulhu: Mythos Horror in the 1950s (Call of Cthulhu roleplaying)
  

  by Brian Sammons, Christopher Smith Adair, Matt Sanborn, Oscar Rios , Tom Lynch, Brian Courtemanche, Michael Dziesinski

  ISBN 9781568823669 (978-1-56882-366-9)
  Softcover, Chaosium Inc., 2013

  
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  Cthulhu's Dark Cults (Call of Cthulhu Fiction)
  

  by Shane Jiraiya Cummings, David Witteveen, William Jones, John Goodrich, Cody Goodfellow, Penelope Love, Peter A. Worthy, Oscar Rios , John Sunseri, ...

  ISBN 9781568822358 (978-1-56882-235-8)
  Softcover, Chaosium Inc., 2010

  
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• 
  Malum Umbra
  

  by Oscar Rios

  ISBN 9781568822792 (978-1-56882-279-2)
  Softcover, Chaosium Inc., 2008

  
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