Mean Deviation (book)
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|Cover artist||Michel Langevin|
|Subject||Heavy metal music, progressive rock|
|LC Class||ML3534.W25 2010|
Mean Deviation: Four Decades of Progressive Heavy Metal is a non-fiction book written by former Metal Maniacs magazine editor Jeff Wagner. The book was illustrated by Voivod drummer Michel "Away" Langevin and has a foreword by Porcupine Tree frontman Steven Wilson. Mean Deviation was published in December 2010 by Bazillion Points under supervision of Ian Christe.
- "Voivod, Porcupine Tree members contribute to 'Mean Deviation' book". Blabbermouth.net. August 17, 2010. Archived from the original on January 4, 2011. Retrieved January 17, 2012.
- Bowar, Chad. "Mean Deviation book review". About.com. Retrieved January 17, 2012.
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