Martha learns that thieves are trying to steal Granny’s secret alphabet soup recipe, and it’s up to her to stop them! Martha—a.k.a. agent K9-002—is on a secret mission to expose the criminals trying to steal Granny Flo’s soup formula. But the life of a secret agent dog turns out to be much more complicated than Martha imagines. She must enter a world of doggy surveillance, high-tech gadgets, and unlikely suspects to defeat the evil soup thieves and save the formula—and her speaking voice! Includes a glossary and a special secret agent activity section with a spy test, secret code, and instructions on how to become a master of disguise.