The Jaguar's Jewels (A to Z Mysteries #10)

Dink, Josh, and Ruth Rose visit New York City! Dink's uncle is the curator of a museum with a dazzling new treasure--a statue of a jaguar cradling an emerald between its front paws. But when it's discovered that the emerald has been replaced with a fake, Dink's uncle is the chief suspect. He'll go to jail if Dink, Josh, and Ruth Rose can't uncover the real thief!