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The Irish giants could field back-row trio Caelan Doris, Josh van der Flier and Jack Conan.

Introducing his villain at the start of each series is another modern shift; Conan Doyle saved him for what he believed would be the end of his journey with Holmes.

A murder hits him where he lives, and lengths of mysterious red thread appear in his path, a nod to Sir Arthur Conan Doyle’s 1887 novel “A Study in Scarlet.”

A cultured breed distinct from the hard-boiled native brand, its king and queen are Arthur Conan Doyle and Agatha Christie, as it is almost impossible not to know.

Conan Doyle: creator of Sherlock Holmes and by extension all subsequent super sleuths with an eccentric character, eagle eye for detail, encyclopedic knowledge of unexpectedly useful trivia and the brain of a UNIVAC.