Book excerpt: Did you know that part of San Francisco was built on top of ships from all over the world that were abandoned during the Gold Rush? Even the most reluctant readers will love discovering history through these strange, awesome, and unbelievable tidbits about the hundreds of thousands of people who left their lives behind and trekked out to California to strike it rich. Incredible early photographs and vivid illustrations bring each factoid into sharp focus, while captions add extra information to each page.