The Third Bullet is a novel by Carter Dickson (pseudonym of John Dickson Carr), first published in the United Kingdom in 1937.

This novel is a "whodunit" and a locked-room mystery.

The two regular detectives of the author, Gideon Fell and Henry Merrivale, do not appear in this novel.

Reception Kirkus gave a curt review stating that the book was an "active mental exercise."

References

John Dickson Carr, The Third Bullet, Hodder & Stoughton, 1937, 128 p. (British edition). John Dickson Carr, The Third and Other Stories, Harper & Row, New York, 1954, 209 p. (American edition).