<p>The fourth and final installment of the New York Times bestselling series!</p><p>It¿s Miles and Niles¿s final year at Yawnee Valley Science and Letters Academy, and the Terrible Two have one goal: an epic prank. Something that will leave a lasting legacy at their school. Which should be easy-peasy for these experts. But their smooth sailing gets downright bumpy when they find out that the new superintendent is none other than Bertrand Barkin, their principal¿s father . . . and their sworn enemy. Now that former Principal Barkin is Acting Superintendent Barkin, he has a first order of business: his long-promised revenge on the Terrible Two.</p>This rollicking finale to the bestselling series by Mac Barnett and Jory John will settle once and for all who¿between quick wits and powerful fists¿will have the last laugh.