We've got your back. With the Tough-O-Meter, you'll know whether to bring extra layers or Swiss army knives as you summit the literary mountain. (10 = Toughest)
(9) Mount Everest
It's not easy, and you might run into an avalanche of "say what?" on your way, but when you finally get all the pieces into place, you'll be so proud that you made it to the top.