Matt Phelan is an award-winning, New York Times-bestselling author/illustrator of picture books, middle grade novels, and graphic novels for young readers. Recent books include The Sheep, The Rooster, and The Duck, Leave It to Plum!, Knights VS Dinosaurs and its sequels, and the picture books Sweater Weather and Turtle Walk. He is also the illustrator of picture books by authors such as Linda Sue Park, Michelle Knudsen, and Jane Yolen & Heidi E.Y. Stemple. Matt’s latest book is Big Changes for Plum, the fifth book in the Plum series.