George, Harold and Captain Underpants are back in another icky adventure! When class boffin Melvin Sneedly goes too far with his latest invention, the Bionic Booger Boy comes to sticky, snotty, bad-tempered life. The scene is set for the terrible Night of the Nasty Nostril Nuggets. Will George and Harold survive – or snot? A hootingly funny story to fill your classroom with snorting, sniggering, gleefully giggling sounds.