TY - BOOK AU - Pilkey, Dav TI - Captain underpants SN - 9780545724227 PY - 2012/// CY - New York PB - Scholastic, N1 - 850L N2 - This book explains how Tippy Tinkletrousers arrived at the end of the eighth book, as well as a prequel story of George and Harold in kindergarten explaining how their friendship began and setting the page for their life before Captain Underpants ER -