Book excerpt: No American city has a more colorful history than San Francisco. In this unique book, author Rand Richards not only provides a vivid narrative of this special city from its very beginnings all the way through to the modern era, but also tells where to find the historic buildings, sites, museums, and artifacts that make that history come alive. Just a few of the things you will find in Historic San Francisco are the locations of, and the fascinating histories behind: A 1623 Spanish cannon that once guarded the entrance to the Golden Gate. A gold nugget discovered by James Marshall at Coloma in January 1848. The last surviving Nob Hill mansion. Relics from the 1906 earthquake and fire including clusters of melted dimes and pennies found in the ruins. Book jacket.