The Blue Sequin
| Publisher | Hodder & Stoughton |
| Series | Dr. Thorndyke |
| Format | e-Book |
| Language | English |
| Location | Canada |
| Series Number | 10 |
| Other | Fadedpage #20180734 |
| Notes | Subtitle: "Dr. Thorndyke His Famous Cases as Described by R. Austin Freeman" |
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