RUNAWAY HORSES by YUKIO MISHIMA
Translated by MICHAEL GALLAGHER
421 pages. Knopf. $7.95.
Yukio Mishima completed his tetralogy, The Sea of Fertility, one November morning in 1970. Then he dressed himself in the somewhat Grau-starkian uniform of his private army, the Shield Society, and led a group of young right-wing followers to a military headquarters in western Tokyo. There, in a violent and extravagantly eccentric display of the artist engage, he broke into the commander's office, harangued some mocking soldiers from a balcony about the disgraces of fading Japanese imperial tradition, withdrew and committed...