The crime-fighting dog duo of Penny and Rio are on the case again! Squeaky the mouse desperately needs their help to recover his precious belongings from a locked doghouse next door. But will Hobbes, the Great Dane, who lives in the yard object? Through an inventive plan, the resourceful pair strive to solve this mystery. Can they recover Squeaky’s belongings before the doghouse is destroyed? Follow along as the dynamic detectives, Penny and Rio, discover that they can do anything, as long as they work together. 2009 Mom's Choice Award Winner
This book is part of the Penny and Rio Books series and is book #2 in the series.