MAFIA PRINCESS by Antoinette Giancana and Thomas C. Renner Morrow; 304 pages; $15.95
When Chicago Mobster Sam Giancana was executed gangland-style in his Oak Park, Ill., home in 1975, FBI agents were gleeful. At last they had a chance to search the house that Giancana used as his command post for Mafia operations. But when they swung open the front door, the investigators were astonished. Instead of the expected depot of pistols and machine guns, they found a cache ofobjets d'art and religious mementos, including a photograph of Giancana having a private audience with Pope Pius XII. Later, when this trove was...