Oliver has a lot going on starting his first year of middle school--new friends, new classes, new everything. But at least there's one thing that still makes sense: science! Determined to be an astrophysicist one day, Oliver explains everything he learns--like how the sun burps, how ghost particles fly through you, the uncanny similarities between Mercury and cafeteria meatballs, and most important, how the Big Bang is basically just like a fart in the school hallway. (Also, there are time-bending black holes, exploding supernova stars, and aliens! Well, there could be aliens.) Oliver finally feels like he's starting to figure things out . . . but can he stay out of the principal's office or catch a break from his annoying sister?