How many crime plots can be put in one book? Does mathematics know a secret for all the possible crime fiction stories? Who killed Bella White?  I did not answer all of these questions because spoilers! But I did mention some crucial details, so beware the spoilers at 07:03​ - 08:59​!

The 8th Detective on Goodreads https://www.goodreads.com/book/show/53139064-the-eighth-detective

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