This book is written by Trenton Lee Stewart. This is the second book in the Mysterious Benedict Society series. I love this series. In this book it's about four kids and they have to go on a scavenger hunt around the world too look for Mr. Benedict. This book is better than the first one in the series. I really like the characters in this book. Once you start reading this book you won't want too stop. It is easy too picture what is happening in this book. I think the age groups that would like this book are 9-14. The ending is good and makes you want to read the next book in the series.