Jory John & Mac Barnett 
Terrible Two Get Worse [EPUB ebook] 

On their own, pranksters Miles and Niles were pretty devious. Now that theyve formed a pranking duo, theyre terrible! But their powers will be tested when their favorite nemesis, Principal Barkin, is replaced by his stern and cunning father, Former Principal Barkin. Now Miles and Niles will do just about anything to get their old antagonist backaincluding pranking alongside him. Authors and friends Mac Barnett and Jory John aare in perfect comic harmonya (Publishers Weekly) in this series that celebrates inventiveness, friendship, and the power of teamworkafor good, or for terrible.