This is a Japanese-language illustration (art) book.
Here's the second volume of Gakken's two-part "Magical Girl Lyrical Nanoha StrikerS Original Sketches" book with this publication dedicated to episodes 18-26 of the hit anime. The book offers b&w reproductions of many of the layout drawings and animators' drawings, as well as a section consisting of original sketches for the characters' transformation scenes. An excellent book that gives fans a look at the work involved in making the scenes of each episode in the show! All text is in Japanese. 256 pages (16 color pages of animators' drawings ). Softcover with dust jacket.