PSYCHOPATHS by ALAN HARRINGTON 288 pages. Simon & Schuster. $7.95.
Why does Joy, the ex-wife of a famous actor, have an affair with a crude young waiter named Vincent? And why does Vincent keep beating her up?
Why does Lewis Hoaglund, the conglomerate tycoon who likes to fire people as brutally as possible, have a huge machine in his backyard that has no function except to clank and sputter?
Why does Lore feel that she has to spend her evenings tutoring young Paul in English? And why did Paul first kill Lore's dog and then attack her and set her house on fire?