Main Street
Sinclair Lewis's Carol Kennicott against the small-town certainties of Gopher Prairie.
409 cryptograms drawn from it, every one by Sinclair Lewis.
How hard they are
99 easy, 174 medium and 136 hard, graded by the model described in our guide to solving cryptograms.
They average 69.2 letters over 19.2 distinct ones, with 4.1 letters appearing exactly once.
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