Boo, an adorable teddy bear-like dog, is back with another book. Boo's first book was published in August, 2011. Boo's new book, Boo: Little Dog in the Big City, covers his adventures in San Francisco. Boo has over five million fans on Facebook. He attracts attention and gets his photograph taken by people who recognize him wherever he goes. The busy Boo even attends book signings for his books. Take a look:
