Pilkey, Dav.

Captain Underpants and the terrifying return of Tippy Tinkletrousers / Dav Pilkey. - New York : Scholastic , c2012. - pages cm - Captain underpants ; 9 .

ISBN: 9781338347210 (hc)

LCCN: 2018959190

Subjects--Topical Terms:
School principals--Juvenile fiction.
Schools--Juvenile fiction.
Superheroes--Juvenile fiction.
Time travel--Juvenile fiction.