Item #1671 A Mystery of the Air. John F. C. WESTERMAN, A. Mason TROTTER.

A Mystery of the Air

London: Oxford University Press, 1931. Octavo, hardcover, 254 pp., plates. A near-fine copy, lacking the front free endpaper. This story begins with an anonymous letter demanding a ransom of sorts. Peter must identify the mystery behind this letter, and more importantly, who sent it and solve the case without any consequences. Item #1671

Price (AUD): $75.00

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