24 Results Found
000000000000JPLERC
©2001.
George and Harold have really done it this time--they've created a monster! She's faster, smarter, and more evil than anything the world has seen
Book
1997.
When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefa
Book
1999.
Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom
Book
c1999.
Collectors' ed.
Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom
Book
©2002.
Irrepressible friends George and Harold create a new comic book superhero, Super Diaper Baby.
Book
c2001.
When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make
Book
2005.
First Collectors' ed.
When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefa
Book
2000.
When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make
Book
2008, ©1999.
Collectors' ed.
Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom
Book
©2003.
Irrepressible friends Jorge and Berto create a new comic book superhero, Superbebé Pañal.
Book
©2003.
A snotty situation ensues when Melvin Sneedley, an academically gifted student, turns into the Bionic Booger Boy and must be stopped by George, H
Book