| Clue | Source | Date |
|---|---|---|
| 16th book in a Sue Grafton series | Wall Street Journal | 25 Aug 2026 |
| *No.16 in a Grafton series (note the progression at the starred answers' starts!) | Universal | 09 Mar 2019 |
| *No.16 in a Grafton series (note the progression at the starred answers' starts!) |