The French Powder Mystery
by Ellery Queen (Frederick A. Stokes, 1930)
audiobook read by Robert Fass (Blackstone, 2013)
More of the same. Ellery pontificates upon every detail in a manner contrived to suggest great intelligence (while painstakingly running through deductions). The investigation plays out blow-by-mundane-blow with much repetition, asking little of the reader save incredulity at the culprit’s day job.