This is volume 9 in Ricky Ricottas Mighty Robot .

There are 128 pages in this book. This book was published 2016 by Scholastic US .

Dan Santat is the Caldecott Award winning illustrator of The Adventures of Beekle . He lives in California. Dav Pilkey is the talented author of this hugely popular series. He created the first Captain Underpants stories as comic books when he was still at elementary school!