for David v. God by Mary E. Pearson
So what do you do when your biology field trip takes a little detour--to heaven? If you're David James, the class clown, you demand an audience with God and challenge him to a debate. The prize? A ticket back to life. But David doesn't have a clue how a debate actually works, and so he teams up with Marie, a nerdy classmate who happens to be president of the Speech and Debate Club. Their efforts seem thwarted at every step, but David sticks it out with Marie and wonders, Will a goof-off have what it takes to beat God? *A wildly funny and action-packed debut novel *A contemporary novel with an odd assortment of characters in an even odder setting--heaven.
Publisher description retrieved from Google Books.