Laugh out loud with Captain Underpants, the #1 New York Times bestselling series from Dav Pilkey, the creator of Dog Man! George and Harold, and their doubles, Yesterday George and Yesterday Harold, have a good thing going. Two of them go to school, while the other two hide in the tree house and play video games all day -- then they switch! But it turns out there's something rotten in the state of Ohio, and it's smellier than a pile of putrid gym socks. The boys' malicious gym teacher, Mr. Meaner, has created a method of mind control that transforms their fellow students into attentive, obedient, perfect children. Now the future of all humanity is in George and Harold and Yesterday George and Yesterday Harold's hands! When Dav Pilkey was a kid, he was diagnosed with ADHD and dyslexia. Dav was so disruptive in class that his teachers made him sit out in the hallway every day. Luckily, Dav loved to draw and make up stories. He spent his time in the hallway creating his own original comic books -- the very first adventures of Dog Man and Captain Underpants. In college, Dav met a teacher who encouraged him to write and illustrate for kids. He took her advice and created his first book, World War Won, which won a national competition in 1986. Dav made many other books before being awarded the California Young Reader Medal for Dog Breath (1994) and the Caldecott Honor for The Paperboy (1996). In 2002, Dav published his first full-length graphic novel for kids, called The Adventures of Super Diaper Baby. It was both a USA Today and New York Times bestseller. Since then, he has published more than a dozen full-length graphic novels for kids, including the bestselling Dog Man and Cat Kid Comic Club series. Dav's stories are semi-autobiographical and explore universal themes that celebrate friendship, empathy, and the triumph of the good-hearted. When he is not making books for kids, Dav loves to kayak with his wife in the Pacific Northwest.