There's a Baddie Running Through this Book

There's a baddie running through this book, Turn the pages; have a look. There he goes, did you see? Sound your siren, chase with me. Kids, watch out! A baddie is on the loose and only you can catch him. But this baddie is very sneaky. He's going to have you looking for him everywhere...up and down, and around and around...until the very last page!