Nate depends on his dog, Sludge, to help him solve all of his cases. But Sludge can't help him this time because he's lost inside a big department store on a rainy day. Nate looks high and low, but every clue leads to a dead end--until Nate realizes that Sludge "can" help him. Illustrations.

All aboard the Owl Express! Nate, the great detective, and his dog Sludge, hit the rails on their latest case. Their mission: To guard an owl named Hoot. Hoot belongs to Nate's cousin, Olivia Sharp, and she thinks someone on the train might be out to get her feathered friend. But "whooo? Sludge keeps an eye on the owl's cage while Nate snoops for clues. Then Hoot disappears! With many suspects to ...

A giant turkey is on the loose, but Nate doesnt want to take a case that everyone in town is on. Nates cousin Olivia Sharp hears about the missing turkey on TV, and just as quickly, shes off hunting for the feathered creature. This edition includes fun activities. Illustrations.