A Certain Magical Index

is a Japanese light novel series written by Kazuma Kamachi and illustrated by Kiyotaka Haimura, which has been published by ASCII Media Works under their Dengeki Bunko imprint since April 2004.

A Certain Magical Index and A Certain Magical Index SS have been licensed for an English release by Yen Press under their Yen On imprint.

Characters

 * Touma Kamijou
 * Index Librorum Prohibitorum
 * Misaka Mikoto
 * Accelerator
 * Shiage Hamazura
 * Motoharu Tsuchimikado
 * Etzali
 * Awaki Musujime
 * Rikou Takitsubo
 * Aisa Himegami
 * Kuroko Shirai
 * Kazari Uiharu
 * Stiyl Magnus
 * Kaori Kanzaki
 * Last Order
 * Laura Stuart
 * Hyouka Kazakiri
 * Itsuwa
 * Sasha Kreuzhev
 * Komoe Tsukuyomi
 * Sherry Cromwell
 * Shizuri Mugino
 * Aleister Crowley
 * Saiji Tatemiya
 * Seiri Fukiyose
 * Saiai Kinuhata
 * Agnes Sanctis
 * Orsola Aquinas
 * Angelene
 * Lucia
 * Oriana Thomson
 * Acqua of the Back (William Orwell)
 * Fiamma of the Right
 * Terra of the Left
 * Vento of the Front
 * Teitoku Kakine
 * Lessar
 * Carissa
 * Villian
 * Elizard
 * Knight Leader
 * Misaki Shokuhou
 * Gunha Sogiita
 * Misaka Worst
 * Biagio Busoni
 * Lidvia Lorenzetti
 * Kikyou Yoshikawa
 * Aiho Yomikawa
 * Maika Tsuchimikado
 * Heaven Canceler

Synopsis
Academy City, a technologically advanced independent city-state located in the west of Tokyo known for its educational and research institutions, and populated with those of supernatural abilities. A young high school student named Touma Kamijou has an unusual ability until he encounters an English nun named Index. His ability and relationship with Index prove dangerous to other sorcerers and Espers who want to discover the secrets behind him and Index, as well as the city.

Crossover Volumes
A Crossover between Kazuma Kamachi's various light novel series including: 'A Certain Magical Index', 'Heavy Object', 'Zashiki Warashi of Intelli Village', 'Simple Series', 'The Circumstances Leading to Waltruate's Marriage' and 'Murder Princess and Deep End'

Crossover between A Certain Magical Index and the Sega video game series 'Cyber Troopers Virtual-On'

Manga Volumes
The manga adaptation of the light novel: with art by Chuuya Kogino. It was published under Square Enix's Gangan Comics imprint from November 2007.

Anime
The anime adaptation of the light novel was released in 74 episodes, across 3 seasons between 2008 and 2019. It was produced by J.C. STAFF.
 * see: A Certain Magical Index (Anime)

Related Series

 * A Certain Scientific Railgun (Spin-Off focusing on Mikoto Misaka)
 * A Certain Scientific Accelerator (Spin-Off focusing on Accelerator)
 * A Certain Scientific Railgun: Astral Buddy (Spin-off focusing on Junko Hokaze)
 * A Certain Scientific Dark Matter (Spin-Off focusing on Teitoku Kakine)
 * A Certain Scientific Mental Out (Spin-Off focusing on Misaki Shokuhou)
 * Toaru Anbu no Item (Spin-Off focusing on ITEM)