en The novel of 199 pages, medium format is an extension of his two novels, "a study of the earth" and "The inspector Ali to Trinity College, where the famous explorer in a certain way, its quest for its index. Grid housewives, taxi drivers and the drug traffickers along this time, the inspector Ali in Marrakech is called to investigate a macabre discovery. a corpse at the bottom of a well in the court of a riad, a palace in Marrakesh The new survey is very different from the preceding.