There are 64 pages in this book. It is in graphic novel format. This book was published 2010 by Roaring Brook Press .

THIEN PHAM is a comic book and visual artist, based in the Bay Area. He is also a high school teacher. Pham illustrated Gene Luen Yang's Level Up, a YALSA Great Graphic Novel and New York Times Notable Children's Book . Sumo is his first solo work.