The Three Californias Trilogy (also known as the Wild Shore Triptych and the Orange County Trilogy) is a book trilogy by Kim Stanley Robinson, which depict three different possible futures of Orange County, California. The books that make up the trilogy are The Wild Shore, The Gold Coast and Pacific Edge. Each of these books describes the life of young people in the three different near-futures. All three novels begin with an excavation which tells the reader about the world they are entering. Source: Wikipedia (en)