Who's John Green? What's all this about The Fault in Our Stars?

It's pretty hard to walk the halls of Northview without seeing a copy of John Green's most recent book The Fault in Our Stars.  What's the big deal about this book?  And why are people so crazy about John Green?  Well, the Daily Dot explains in their recent post "John Green Fandom 101:  Nerdfighters, Vlogbrothers, and Pizza".  Let's just say...welcome to Nerdfighteria!