The Moonstone the best of modern English detective novels in a genre invented by Collins and not by Poe," and Dorothy L. Sayers praised it as "probably the very finest detective story ever written." In "The Victorian Age in Literature," G. K. Chesterton calls it "probably the best detective tale in the world." It was published in 1868, later than Poe's short story mysteries "The Murders in the Rue Morgue" (1841) (which introduced the famous locked-room paradigm), "The Mystery of Marie Rogêt" (1842), and "The Purloined Letter" (1845). The plot also shows some parallels with "The Hermitage" (1839), an earlier murder mystery
The Murders in the Rue Morgue on the language the murderer spoke, Dupin concludes they were not hearing a human voice at all. He and the narrator examine the house thoroughly; the following day, Dupin dismisses the idea of both Le Bon's guilt and a robbery motive, citing the fact that the gold was not taken from the room. He also points out that the murderer would have had to have superhuman strength to force the daughter's body up the chimney. He formulates a method by which the murderer could have entered the room and killed both women, involving an agile climb up a lightning rod