Shatterproof by Roland Smith

This book is full of red herrings as Dan, Amy, Atticus, and Jake continue their adventures in an attempt to outwit the Vespers and save their family members.While this book develops the story, it (like the others in the series) is a little short: I think the series is divided into so many short episodes because it's aimed at younger readers. These books do a great job of showing neat places around the world: they always make me want to travel.