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Mark Titus (@clubtrillion) is the founder and author of the blog Club Trillion. His book, Don't Put Me In, Coach, chronicles his career as a walk-on benchwarmer for the Ohio State basketball team and is on sale now.
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Jonah Keri (@jonahkeri) is a staff writer for Grantland. His book, The Extra 2%: How Wall Street Strategies Took a Major League Baseball Team From Worst to First, is a national best seller. His new book Up, Up, and Away, on the history of the Montreal Expos, is now available for preorder.
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Rafe Bartholomew (@rafeboogs) is an editor at Grantland and author of Pacific Rims: Beermen Ballin' in Flip-Flops and the Philippines' Unlikely Love Affair with Basketball.
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Mark Harris (@MarkHarrisNYC) is the author of Pictures at a Revolution: Five Movies and the Birth of the New Hollywood and is currently at work on his next book.
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The Masked Man (@AKATheMaskedMan) is David Shoemaker, author of the new book The Squared Circle: Life, Death, and Pro Wrestling.
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Shea Serrano (@SheaSerrano) is a writer based in Houston. He has written for MTV, XXL, Vice, Complex, Myspace, and other outlets. His first book, Bun B's Rap Coloring and Activity Book, will be available this fall.
Jordan Conn (@jordanconn) is a staff writer for Grantland. He wrote The Defender: Manute Bol's Journey from Sudan to the NBA and Back Again, a multimedia e-book published by The Atavist.
Justin Halpern (@justin_halpern) is the author of the no. 1 New York Times best-seller Sh*t My Dad Says. He is also partially responsible for the television show of the same name, which you probably hated. His second book, I Suck at Girls, is a trip through Halpern's complete failures with the opposite sex. And yes, his dad is in it. He's not stupid.
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Rany Jazayerli (@jazayerli) runs the Rany on the Royals website and cohosts The Baseball Show with Rany and Joe podcast. He is one of the founders of Baseball Prospectus, and works as a dermatologist in suburban Chicago.
Tom Bissell is the author of Chasing the Sea, God Lives in St. Petersburg, The Father of All Things, Extra Lives, and Magic Hours. His book The Disaster Artist, co-written with Greg Sestero, will be published October 1.