A Certain Magical Index, Vol. 21 (light novel)

As war continues tothreaten to change the entire planet as they know it, three young boys are eachdesperately searching for the answers to their troubles in Russia. Hamazura isstill looking for any clues to how he might be able to cure his friend'scondition. Accelerator can't stop until he finds a way to save one helplessgirl. And Kamijou won't give up on returning Index back to normal, no matter whostands in his way!