In the book ‘the Sign of Four” Sherlock Holmes describes the cocaine with which he is injecting himself as a certain ‘percent solution’. It is also the title of a book by Nicholas Heyer published in 1974 and a film adaptation in 1976. What is the number of this percent solution?
The Seven-Per-Cent Solution to claim that he had been killed, and thus the famed "Great Hiatus" is more or less preserved. It is during these travels that the events of Meyer's sequel "The Canary Trainer" occur. Holmes's addiction to cocaine is developed out of the opening scene of Conan Doyle's "The Sign of Four". In that scene, Holmes describes the cocaine with which he is injecting himself as "a seven-per-cent solution." In his Introduction, Meyer's Watson declares that "The Lion's Mane", "The Mazarin Stone", "The Creeping Man" and "The Three Gables" (all Arthur Conan Doyle-written adventures from 1927's "The Case-Book of Sherlock Holmes")
The Case-Book of Sherlock Holmes The Case-Book of Sherlock Holmes The Case-Book of Sherlock Holmes is the final set of twelve (out of a total of fifty-six) Sherlock Holmes short stories by Arthur Conan Doyle first published in the "Strand Magazine" between October 1921 and April 1927. The first British edition and the first American edition of the collection were both published in June 1927. However, they had slightly different titles. The title of the British collection was "The Case-Book of Sherlock Holmes" (hyphenated "Case-Book"), whereas the title of the American edition was "The Case Book of Sherlock Holmes" ("Case Book" as two words). Further