Series
Dover mystery classics
We don't know whether this one is finished.
Nobody has confirmed the status of this series yet. That's a gap in our data, not a verdict on the books.
2 books here · 1908
Publication order
This is publication order — nobody has confirmed a different reading order for this one yet.
—
The Mysterious Affair at Styles
· Agatha Christie
—
The Circular Staircase
1908 · Mary Roberts Rinehart