Dav Pilkey's newest epic novel finds George, Harold, and everyone's favorite superhero in the stickiest situation yet.

This time, the boys' latest prank has snotty school brainiac Melvin Sneedley in a stink.

And when Melvin tries to transform himself into a bionic-powered superboy, things go from bad to boogers — literally — and the Bionic Booger Boy is born!