The Power Coders are excited to meet their idol, Sam Cyber, a famous programmer and author who has promised to visit their school. When Sam doesn't show, the Coders are devastated. But "The Missing Programmer" has left them a strange computer program, and with it, another mystery to solve. The Power Coders will need to understand pseudocode and flowcharts, gather clues, and debug the program. Will they be able to pass the test and find the Missing Programmer before it's too late? Full of colorful illustrations and humorous dialogue, this story takes readers on an unexpected adventure.