There's something eternal about California home interiors, a bit of the wild, natural style leashed by responsible domesticity. Writer Saeks has captured the essence of both northern and southern portions of the state, wisely allowing pictures, not text, to take center stage. More than 40 homes are displayed visually, gracefully divided into two urban lifestyles (Los Angeles and San Francisco), by coastal and country circumstances, and by design classics. Featured are nests of both the famous and the nearly so; Diane Keaton's Lloyd Wright home (Frank's son) is contrasted with two comfortable Sausalito houseboats. Ideas galore, along with the references--design catalogs, flea markets, and a bibliography--make imagination live. Barbara Jacobs...