(A book in the Theocritus Lucius Westborough Mystery series)
A novel by Clyde B Clason
The elderly Roman historian, Prof. Theocritius Lucius Westborough is in his element when a wealthy Chicago collector of antigue weapons is done in with a medieval halberd. Add a locked-and-guarded room surrounded by unmarked snow from which a man disappears plus a cryptogram diary and you've got a real Golden Age puzzler. First published in 1939.
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Secret of High Eldersham
(Desmond Merrion, book 1)
Used availability for Clyde B Clason's Dragon's Cave
August 2007 : USA Paperback