The Unknown Quantity (novel) explained

The Unknown Quantity is a mystery novel by Mignon G. Eberhart published by Random House in 1953[1] and was issued in the UK by Collins Crime Club that same year.[2] It was reprinted in 1990 by Warner Books.

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Notes and References

  1. News: B. Lundy . Ione . July 5, 1953 . Murder, Romance, Stalk Through New Eberhart Mystery . May 25, 2024 . . 22 . Newspapers.com.
  2. News: Laker . J.H.C. . December 25, 1953 . Somerset Family Bookshelf . May 25, 2024 . . 2 . Newspapers.com.