El caso del pastel desaparecido / Case of the Missing Cake

The annual neighborhood rooftop party is tomorrow, and Ronnie Anne can't wait to bring the tres leches cake that she helped her abuela make. But while she's supposed to be guarding the cake against hungry family members, it goes missing! Ronnie Anne andher best friend Sid are on the case. Can Ronnie Anne save the cake--and save face--in time for the party?--