This is volume 12 in Geronimo Stilton-Thea Stilton .

This book has been graded for interest at 8-12 years.

There are 157 pages in this book. This book was published 2012 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!