Mickey and the Missing Spy

Codes to crack, puzzles to solve, mysteries to uncover - there is never a dull moment in the life of a spy! Mickey is a secret agent for the Top Secret Animal spy ring COBRA--the only human operative. When her hero and codebreaker extraordinaire Hildegarde L. McTavish disappears, Mickey feels it's her duty to investigate. But the Animal Spies do not meddle in human affairs - will Mickey be able to bridge the gap between human and animal spies?