The Manifesto on How to Be Interesting by Holly Bourne 

Bree is by no means popular. Most of the time, she hates her life, her school, her never-there-parents. So she writes.

But when Bree is told she needs to stop shutting the world out and start living a life worth writing about, The Manifesto on How to Be Interesting is born. A manifesto that will change everything… but the question is, at what cost?