Stranger on the Square is the third volume of Arthur Koestler's autobiography, published posthumously in 1984.
It was co-authored with his wife Cynthia Koestler, née Jefferies, and includes autobiographical notes of her as well.
The book was published by Hutchinson, London 1984, 242 pages including Index.
It was edited by Harold Harris, who wrote the Introduction and Epilogue.
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