Kiyotaka Haimura's art book will be on sale on Feb,28.

Cover illust of Kiyotaka Haimura's art book,"rainbow spectrum :colors" revealed.

It contains illustrations of "Toaru Majutsu no Index","Sprite Spiegel","Dragon Magazine","Maid Deka" and various rough sketches,several original cuts. 
And you can see interviews,process of drawing illustration,comments for illustrations.

Price is 2940 yen.
Available on Feb,28th.