Toaru Kagaku no Railgun - Misaka Mikoto Maniax ( とある科学の超電磁砲 御坂美琴マニアックス Toaru Kagaku no Rērugan Misaka Mikoto Maniakkusu?) is an artbook that was released on August 27, 2013 as a special of the October issue of Dengeki Daioh magazine, where the Toaru Kagaku no Railgun Manga is serialized. It contains artwork of Misaka Mikoto, and among other things, questions submitted by fans to Dengeki Daioh and answered by "Misaka Mikoto".