The sweet treasure

"Carlos and Carmen want to make this year's Father's Day really special for Pap?. At first they don't know what to do, but working together, they come up with the perfect idea--a treature hunt. Luckily for Pap?, the twins are with him every step of the way making sure that he solves the clues, follows the map, and finds the extra-special treasure"--Provided by publisher.