 A light novel series titled Attack on Titan : Before the Fall ( 進撃の巨人 Before the fall ) , written by Ryō Suzukaze and illustrated by <unk> <unk> , began on April 1 , 2011 . Its story is set before the events of the manga and it was published by Kodansha in three volumes . While the first tells the story of Angel , the blacksmith who develops the first prototypes of the Vertical Maneuvering Equipment , the following two follow a young man who was found as a baby in the stomach of a Titan . A second light novel series called Attack on Titan : Harsh Mistress of the City ( 進撃の巨人 <unk> , Shingeki no Kyojin <unk> Toshi no <unk> ) , written by Ryō Kawakami and illustrated by Range Murata , began on August 1 , 2014 . Vertical began releasing the novels in North America in the summer of 2014 . A novel titled Attack on Titan : Lost Girls ( 進撃の巨人 Lost Girls ) , written by Hiroshi Seko , was published on December 9 , 2014 . It comprises three short stories featuring Mikasa and Annie Leonhart , titled " Lost in the cruel world " , " Wall Sina , Goodbye " , and " Lost Girls " . It was also released in English by Vertical . 
