Toaru Majutsu no Index Light Novel Volume 17

Toaru Majutsu no Index Light Novel Volume 17 was first published on March 10, 2009. It focuses on Kamijou Touma and Index becoming involved against a conspiracy against the British Royal Family eventually leading in full-blown coup d'état. It is the first novel of the two-part storyline known as the British Royal Family Arc.

Publisher's Summary
An "Index Liborum Prohibitorum Callup Notice" was proclaimed by the Necessarius Archbishop of the Church of England, Laura Stuart. Inside is a duty to investigate, together with the Royal Family of England, the explosion that arose in the Eurotunnel which linked France and England.

Having received this order, Index and her guardian, Kamijou Touma, embarked upon a plane bound for England. Before they were to peacefully enjoy their trips in the skies, a mysterious figure on board the plane sets his hijacking plan into action...! While using all his strength to sooth the empty stomach of this silver-haired sister and attemptying to resolve the situation at hand, how would the fate of Kamijou turn out!?

This round's misfortune shall thus off in England!

Chapters

 * Chapter 1: The Incongruity of Casual Conversation — Irregular_Spark.
 * Chapter 2: A Steel Battlefield Floating Above the Clouds — Sky_Bus_365.
 * Chapter 3: The Magic Cabal of the English Labyrinth — N∴L∴
 * Chapter 4: The Sword that Brings War and Disaster — Sword_of_Mercy.
 * Epilogue: Everyone's Expectations and In Their Hearts — War_in_Britain.