Nate the Great is facing his most personal case yet, and his stomach is depending on the outcome. Nate absolutely loves his mother's famous Monster Cookies. He cannot get enough of her Strawberry Draculas, her Chocolate Frankensteins, and her Cinnamon Werewolves. But disaster strikes when all of her secret monster recipes suddenly disappear. Nate has never solved a case for his mother before, and the pressure is on. With his trusty dog Sludge by his side, Nate gets straight to work. They sniff, climb, bend down, push, and pull to uncover every possible lead. You will help them sort through long clues, crinkly clues, and fishy clues to figure out exactly what happened. Which clues actually count, and which are just a distraction? Put your detective skills to the test and see if you can solve the mystery before Nate misses out on his favorite treats forever.