A Certain Magical Index, Vol. 17 (light novel)

The head of the English Puritan Church, Laura Stuart, has summoned the Index Librorum Prohibitorum with a mission to investigate the bombing of the Euro Tunnel that connects the UK with France. Index soon departs for the British Isles with her guardian Touma Kamijou in tow but their when their flight is suddenly hijacked by a mysterious figure, their plans will have to change! If they survive, Index and Touma's next unfortunate adventure will lead them to the heart of the UK!

Kazuma Kamachi is a Japanese light novel author and creator of the massively popular series, A Certain Magical Index, its sequel, A Certain Magical Index: New Testament, and a manga adaptation, as well as two spin-off manga series, A Certain Scientific Railgun and A Certain Scientific Accelerator.