This is volume 9 in Geronimo Stilton Spacemice .

This book has been graded for interest at 4-8 years.

There are 128 pages in this book. This book was published 2017 by Turtleback Books .

In his spare time, Mr. Stilton collects antique cheese rinds. But what he most enjoys is writing books where he tells his fabmouse adventures!