The Uranium Unicorns from Uranus (Ricky Ricotta)
by Dav Pilkey
ISBN 13: 9781407107646
Format: Paperback (128 pages) Publisher: Scholastic Published: 05 Mar 2012
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The Stupid Stickbugs from Saturn (Ricky Ricotta)
ISBN 13: 9781407107639
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
ISBN 13: 9780545175364
Format: Illustrated (192 pages) Publisher: Scholastic Inc. Published: 15 Jan 2013
Ricky Ricotta's Mighty Robot vs. the Video Vultures from Venus (Ricky Ricotta's Mighty Robot #3), 3
ISBN 13: 9780545630115
Format: Illustrated (128 pages) Publisher: Scholastic USA Published: 01 Aug 2014
Ricky Ricotta's Mighty Robot vs The Mutant Mosquitoes from Mercury: 2
by Pilkey, Dav Dav Pilkey,
ISBN 13: 9781407143347
Format: paperback Publisher: Scholastic
Ricky Ricotta's Mighty Robot vs. The Un-Pleasant Penguins from Pluto
by Dav Pilkey,Dan Santat
ISBN 13: 9781407145648
Format: Illustrated (128 pages) Publisher: Scholastic Published: 02 Jun 2016
Dragon Gets By (Acorn)
by Dav Pilkey,Dav Pilkey
ISBN 13: 9780702301650
Format: Paperback (64 pages) Publisher: Scholastic Published: 02 Jan 2020
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers
ISBN 13: 9781407133300
Format: Paperback (304 pages) Publisher: Scholastic Published: 02 May 2013
Captain Underpants and the Attack of the Talking Toilets: Colour Edition (Captain Underpants #2): Volume 2
ISBN 13: 9780545599320
Format: Illustrated (160 pages) Publisher: Scholastic Published: 02 Aug 2018
Ricky Ricotta's Mighty Robot Vs. the Mecha-monkeys from Mars
by Dav Pilkey,Martin Ontiveros
ISBN 13: 9780439252966
Format: Mass Market Paperback (143 pages) Publisher: Blue Sky Pr Published: 01 Feb 2002 Other Format: Paperback
Captain Underpants and the Preposterous Plight of the Purple Potty People
ISBN 13: 9781407103600
Format: paperback Publisher: Scholastic Other Format: Hardcover, Paperback
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000: 11
ISBN 13: 9781407138299
Format: Paperback (224 pages) Publisher: Scholastic Published: 07 May 2015