"He knows the game inside and out and has all kinds of stories to tell, hundreds of them packed into ERNIE HARWELL???S DIAMOND GEMS (Momentum Books, 210 Collingwood, Suite 106, Ann Arbor, Mich. 48103, $17.95)???stories about some of the greats, about phenoms who lit up briefly and burned out, about managers and umpires." . . . .