1. 02. English Fiction Captain Underpants and the revolting revenge of the radioactive robo-boxers / by Pilkey, Dav. Publication: New York : Scholastic, 2013 . p. cm. Date:2013 Availability: Copies available: (1), Actions:
2. 02. English Fiction Captain Underpants and the preposterous plight of the purple potty people : the eighth epic novel / by Pilkey, Dav, Publication: New York : Scholastic, 2006 . 172 p. : 22 cm. Date:2006 Availability: Copies available: (1), Actions: