Mary Pope Osborne is an American author of children's books and audiobook narrator. She is best known as the author of the Magic Tree House series, which as of 2017 sold more than 134 million copies w…
David "Dav" Pilkey (b. March 4, 1966), is a popular children's author and artist. Pilkey is best known as the author and illustrator of the Captain Underpants book series. He lives near Seattle, Washi…
