Justus, Peter, and Bob are best friends and detectives! Together, the three ??? have already solved many tricky cases.

What a mess! Justus, Peter, and Bob are at the famous movie animal park. Here, animals are trained to become real movie stars. Their outing takes a new turn when they hear strange noises. Is someone being robbed? Yes! Who is the thief? Where is he? Everything happened way too fast! The three ??? dive into their new case. They search the entire park for clues. Soon, the detectives have an idea of who the thief might be. An interactive mystery in five chapters with simple sentences. On busy double pages, beginner readers are involved in the exciting search.