'Mrs. Griffin is Missing" is one of a trio of stories involving Bobby and Sonny. In another story, Bobby hears knocking coming from apartment 2C. Everyone knows that his neighbor lives alone and works during the day. Who is knocking and why only when Bobby is alone? Because no one believes him, it's up to Bobby to uncover the secret in apartment 2C. The last story, 'The Intruder," sends the duo hot on the trail of yet another mystery. Set in Harlem of the 1950's, it is a time of family, community, and suspense.