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 Nate the Great and his trusty dog, Sludge, have a tricky case to solve. Nate s friend Rosamond has started a fortune-telling business, but her money box is missing. Sludge and Nate visit Claude, who helped Rosamond set up her business, and Finley, who collects boxes for his rat. They can t seem to help It looks like the only way to clean up this case is to get down and dirty in the dumps "