- Title: The Glassworks Folder: Cross out the names
- Description: Ellen Voss is in custody for a death at the glassworks. The folder holds the payroll and the night-shift lists. Cross out every name that cannot stand.
- Title: The Quiet House: Four stayed after ten
- Description: Four people stayed in the house after ten. One of them is guilty. The clues place each person, each room, and each item. You decide who it was.
- Title: The Night Book: Seven hidden codes
- Description: A code journal left in the watch-room desk. Seven pages, and each page hides one short code in what is printed. No page prints its own code.
- Title: The Last Lamp: Eight sheets, one evening
- Description: Eight sheets from one evening in the watch room. They were printed out of the order they happened. Read them and put that night back together.
- Title: The Riddle Box: Twelve riddles from the box
- Twelve riddles, dealt from a box of 240. Each one has one answer. Choose it from the list, or ask to see it and end that riddle.