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Are you Jay Jaffe, author of the books below?
The Cooperstown Casebook by Jay Jaffe Mastering the Sas System 1st -Signed edition by Jaffe, Jay A.... by Jay Jaffe Baseball Prospectus 2006 by Baseball Prospectus Fantasy Baseball Index 2011 by Justin Eleff Fantasy Baseball Index 2010 by Justin Eleff Fantasy Baseball Index 2008 by Stu Shea Fantasy Baseball Index 2009 by Stu Shea


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