The shounen/seinen manga
To Aru Kagaku no Railgun that's based on the shounen(boy's) light novel series "To Aru Majutsu no Index" will be getting animated.
とある科学の超電磁砲
To Aru Kagaku no Railgun
The manga is serialized in the shounen/seinen manga magazine
Dengeki Daioh.
Currently there are 3 volumes released of the manga.
Covers:
Genre: Shounen/Seinen, Fantasy