KC and her friend Marshall are watching the fourth of July fireworks with the president of the United States when they see smoke and sparks in the distance. It’s more fireworks, but they are not part of the holiday plan. They’re coming from the FBI Building! Is it just a prank? Or are these fireworks masking a bigger mystery . . . and a capital crime?--From the Trade Paperback edition.KC and her friend Marshall are watching the fourth of July fireworks with the president of the United States when they see smoke and sparks in the distance. It’s more fireworks, but they are not part of the holiday plan. They’re coming from the FBI Building! Is it just a prank? Or are these fireworks masking a bigger mystery . . . and a capital crime?--From the Trade Paperback edition.