Alexander Bopp is ready to battle Stermont's biggest monster yet - the P-Rex!In this fifth book, Alexander stumbles into a very large footprint and his friend Rip keeps finding candy in the street. What kind of monster leaves huge footprints behind? And where is all the candy coming from? Alexander, Rip, and Nikki must find out fast-before it's too late! This book is filled with humor, suspense, and zany black-and-white illustrations throughout!