"Rory and Sheldon are just regular guys-going to school, having play dates, and, of course, searching for chocolate Easter eggs. But when their bird neighbors' real eggs go missing, Rory and Sheldon spring into action to save the chicks-when they become the Super-Duper Duo! They use their super-duper powers-and their knowledge about cuckoo bird behavior-to find the culprit and return the baby birds to their nests"--Amazon.com.