THE WIDOWER'S SON
by Alan Sillitoe
Harper & Row. 288 pages. $8.95
Although he achieved fame in the 1950s as one of England's Angry Young Men, Author Alan Sillitoe never lost his temper in his books. The working-class characters in Saturday Night and Sunday Morning (1959) and Loneliness of the Long Distance Runner (1960) did indeed rail at the upward immobility of the British class system; it was Sillitoe's cool precision in portraying them that made these fumings so hot to the touch. Sillitoe's restraint, his continued attention to the Nottinghamshire region of his own childhood, are quiet virtues that the noisy passage...