orologio en CB01 OFFICIAL. The story follows a man searching for a lost book, by a mysterious author, that reminds him of a past love. The search takes him to start a road-trip through México (starting at the capital and ending in la sierra de Guanajuato), the same trip that the book described. In the narrative two voices interact: one describing the journey, and a second one speaking fragments of Retorno, the enigmatic book.