About Katherine Ashenburg Katherine Ashenburg writes for a wide variety of publications, including The New York Times, The Walrus and Toronto Life. She is the author of three non-fiction books for adults, All the Dirt on Getting Clean is her first book for young readers. Books by Katherine Ashenburg All the Dirt A History of Getting Clean by (author) Katherine Ashenburg Ages 9 to 12 Grades 4 to 7
