MAINSIDE (373 pp.)Paul Mandel Random House ($4.95).
THE PANAMA PORTRAIT (242 pp.) Stanley EllinRandom House ($3.95).
As a pejorative addition to the national vocabulary, "the organization man" is hardly more than a human ballbearing who aspires to become a big wheel. But as prop for U.S. fiction writers, he has become distressingly ubiquitousmostly in the role of a puppet for potboilermakers, only rarely as the subtly realized, peculiarly American character he should be.
Two new books, Paul Mandel's Main-side, a skilled first novel set at a Florida naval air station, and Stanley Ellin's The Panama...