Jamie, homesick after a week away, catches a cold. Refusing to go home before they solve the mystery, Claudia suggests that they visit the statue's previous owner, Mrs. Frankweiler. She refuses to tell them directly, but does permit them to attempt to discover the answer for themselves. After leading them to a room lined from floor to ceiling with filing cabinets, she informs them that they have one hour to search for the truth. After 54 minutes of fruitless effort, Claudia uncovers the correct file. It contains a sketch of the sculpture from one of Michelangelo's notebooks, proving that he is, indeed, the creator. Finally appeased, the siblings permit Mrs. Frankweiler to drive them home.