The Sailor Who Fell from Grace with the Sea by Yukio Mishima. 1967 Tuttle, third printing, 182 pages. About what can go wrong when teenagers acquire an ideology. 

Condition: Acceptable. Warped and stained from water, rubbing to the spine, still readable.

"Shortly after he made this discovery, Noboru began spying on his mother at night, particularly when she had nagged or scolded him."