The Black Paw - Heather Vogel Frederick

In the basement of Washington's International Spy Museum are the headquarters of the Spy Mice Agency. In this first adventure, Morning Glory, a brave and intelligent spy mouse joins forces with Oz, a human boy, to outwit the dastardly Roquefort Dupont, commander-in-chief of the rat underworld.
Oz helps the mice to rescue Glory when she is kidnapped by Dupont and together they foil his plans to rid the city of mice forever. In return Glory helps Oz in his battle against the school bullies.
Fast action, great gadgets and engaging characters, both rodent and human.