(San Francisco) A Crack in the Edge of the World. America and the Great California Earthquake of 1906. By Simon Winchester. NY: Harper Collins, 2005. Lge 8vo. Maps, xiv, 462pp., prof illust, glossary, biblio, index. Black bds, maps as endpapers, Good in like color illust DJ (which opens up to a huge repro of the front page from The Chronicle Examiner, dated April 19, 1906).