Zadig approach instructive, and wrote in his 1880 article "On the Method of "Zadig"": Edgar Allan Poe may have been inspired by "Zadig" when he created C. Auguste Dupin in "The Murders in the Rue Morgue", which Poe called a "tale of ratiocination" and which established the modern detective fiction genre. Émile Gaboriau and Arthur Conan Doyle were perhaps also influenced by "Zadig". As Barzun and Taylor put it in "A Catalogue of Crime": "However implausible and "agrarian" his method, he is the first systematic detective in modern literature, and that priority itself adds to his troubles in the story until
The Invisible Detective a darkened room. In fact, Brandon Lake does not exist; he was invented by the four children, who investigate all his cases themselves. Art plays the Invisible Detective in weekly sessions held in a darkened room, during which the Detective addresses the concerns of local residents, in exchange for a small fee. Each book also has a parallel subplot set in the 2000s, where Art's grandson, also named Art, and his friend Sarah have related mysteries to solve. The titles in the series are: The series revolves around the cases of eponymous detective, Brandon Lake. The books' protagonists are the