Dingleberry Small 
Bully vs. Fart 4: Terminating Sara O’Connor’s Fart 

Nerdastic fifth grader Adam Gason is at it again, and is barely conscious when he realizes that the fate of mankind hangs in the balance. When he befriends Sara O’Connor, the mother of the future resistance, his destiny becomes clear: that he must save her from an evil fart send back in time to kill her or the future is really going to stink.WARNING: This book is full of farts!