Friends and pranking partners Miles and Niles face a tough challenge when their favorite goat and nemesis, Principal Barkin, is replaced by his stern, no-nonsense father, Former Principal Barkin, who turns the school into boot camp.
Ian always follows the rules and his sister, Jenny, never does but when she angers some monsters while breaking all the rules of their vacation house in the woods, Ian first runs away, then realizes there should be a rule about protecting your sister from being eaten by monsters.
"This book is about Triangle. This book is also about Triangle's friend Square. Also it is about a sneaky trick Triangle plays on his friend Square"--Back cover.
Sam and Dave decide to dig a hole, and to keep digging until they discover something spectacular. Even though they don't discover they treasure they were in search of, their dog helps them dig through the earth, and they end up in a place that looks like their back yard.
When master prankster Miles Murphy moves to sleepy Yawnee Valley, he challenges the local, mystery prankster in an epic battle of tricks but soon the two join forces to pull off the biggest prank ever seen.