<b>These chapter books introduce beginning readers to the detective mystery genre. Perfect for the Common Core kids can problem-solve with Nate using logical thinking to solve mysteries! </b> <p/>Nate the Great is about to enter his dog Sludge in the smartest pet contest. But when the prize disappears it looks as if the contest will flop. <p/>It's a tough case for Nate and Sludge as they search for clues leading to the missing prize. In more ways than one it's a very fishy business. Can Nate and Sludge find the prize in time?