by Bryan Forbes Doubleday; 474 pages; $12.95
For the well-born and well-off, Cambridge University was an oasis in the wasteland of prewar Europe. Yet, for a few, the green fields were mined with sexual intrigue and high treason. For Cambridge was also a school for scandal. The most notorious Soviet spies were recruited there: Guy Burgess, Donald Maclean, Kim Philby and, it turned out late last year, Sir Anthony Blunt, now deknighted and deposed as art adviser to the Queen. How, from this world of privilege, philosophy and vintage port, could the Soviets have enlisted such consummate traitors?
In Stranger, subtitled A...