- Author: Marc Gras Author Record # 273228
- Legal Name: Gras Cots, Marc
- Birthplace: Barcelona, Catalonia, Spain
- Birthdate: 7 November 1979
- Language: Spanish
- Webpages: comicbookdb.com, Twitter, tyrannosaurus.wixsite.com
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Nonfiction
- Steampunk Cinema: Un repaso a las 25 mejores películas steampunk de la historia (2014) with Arantxa Acosta and Manu Argüelles and Toño Carballal and Martín Cuesta and Pablo González and David Hidalgo and José M. Rodríguez and Lluís Rueda
- Cinco tumbas sin lápido (2013)