Captain Underpants Book 13

I love Captain Underpants books and now Dog Man is out but something came in the mail today. It said Captain Underpants and the revenge of Tippy Tinkletrousers 2 crudely written in red permanent marker. The book was nearly destroyed but I still read. First, it showed Harold and George crying for about 15 panels and then it showed a grave that says Mr Krupp and Tippy (Professor Poopypants) was laughing and then it showed Melvin with red realistic eyes for 4 panels in the last page there was a bomb and I accidentally made it explode. My face was rotting because of the bomb