| 8.6/ 10 1Votes 
 Cover artist Michel Langevin Language English Media type Paperback Originally published December 2010 Page count 364 Illustrator Michel Langevin |  4.3/5  Goodreads Country United States Publication date December 2010 Pages 364 Publisher Bazillion Points | |||||||||||||||||||||||||||||||||
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| Subjects Heavy metal, Progressive rock Similar Touch and Go, Hellbent for Cooking, Sound of the Beast, Only Death Is Real, Choosing Death: The Improbab | ||||||||||||||||||||||||||||||||||
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.
References
Mean Deviation (book) Wikipedia(Text) CC BY-SA
