About the book: 2021 / Incredible news: River Heights will have its own ice cream factory! And in honor of the opening, the owners are holding a competition for the best recipe. The winner will receive an annual pass to visit the factory! Of course, everyone wants to take part in the competition. But can everyone come up with a truly good recipe? Kendra Jackson gives Nancy, Bess and Georgie a taste of her ice cream - and it's incredibly delicious. And just before the competition, Kendra's recipe goes missing! It looks like someone is ready to do anything to win... But the Young Detectives will certainly find the kidnapper!