A Certain Magical Index, Vol. 19 (light novel)

In the shadows of AcademyCity, the special team known only as Group is hard at work to solve yet anotherincident. The Level 5 esper Accelerator and the man who controls bothsupernatural and magic powers, Tsuchimikado, are investigating a case wheretheir only clue is the word "dragon." While they struggle to find a way to makeprogress, a member of Academy City's board of directors bears a terrible grudgeagainst them. Once again, Group finds themselves on the business end of afearsome weapon!