Chapter 1. Something Is Definitely Wrong 1 --
Chapter 2. The Missing Ferrets 13 --
Chapter 3. Partners 30 --
Chapter 4. The Jammed Window 49 --
Chapter 5. "Unlocking" the Mystery 64 --
Chapter 6. A Waiting Game 80 --
Chapter 7. Mrs. Donovan Remembers 94 --
Chapter 8. A Surprise Visitor 102 --
Chapter 9. To Catch a Thief 116.