Scholastic publishes both series. There are more than six million "Captain Underpants" books in print -- most of them in the grimy hands and under the unmade beds of 6- to 10-year-old boys ...

There are now 80 million copies in the series in print. A Captain Underpants spin-off, called "Dogman," is now at the top of the children's bestseller lists. And Pilkey cheerfully acknowledges ...

With more than 80 million copies of "Captain Underpants" books in print worldwide, there's a good chance one or more of the graphic novels are sitting on your kids' bookshelves right now.

From "Goosebumps," "The Adventures of Captain Underpants," and "The Magic School Bus," the book fair was a glorious time to ...

The creator of Captain Underpants, Pilkey’s penned other major youth-skewing books that have garnered prominent fan bases, such as the Ricky Ricotta’s Mighty Robot series. In the modern world ...

The Revenge of the Ridiculous Robo-Boogers” — each had a first-print run of 1 million copies. Katz was clueless about his good fortune. “I didn’t know anything about Captain Underpants ...

Q: How old were you when you first doodled a proto-Captain Underpants? Pilkey: Around 8, I think. I created Captain Underpants when I was in the second grade. I was constantly getting in trouble ...

The Scholastic Book Fair popularized many fan favorites such as "Harry Potter" and introduced generations to series such as "I SPY," "Captain Underpants," and many more. Book fairs serve as an ...