Actually Solving “Reader-Solvable” Mysteries

The Plague Court Murders by John Dickinson Carr is a 1934 classic reader-solvable mystery. Spoilers: With characters swapping outfits, melting bullets, and a chapter-long red herring, I was at a loss for how anyone could figure out whodunit.

Have people actually found the solution before the end of the book, or is “reader-solvable” just marketing to make us feel like we’re learning to be clever detectives?

I decided to take out the big guns (a pen and paper) and make a serious effort at solving mystery fiction before the ending…