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An idea that started in Seattle's public library has spread throughout America and beyond．The concept is simple: help to build a sense of community in a city by getting everyone to read the same book at the same time．
In addition to encouraging reading as a pursuit to be enjoyed by all, the program allows strangers to communicate by discussing the book on the bus, as well as promoting reading as an experience to be shared in families and schools．The idea came from Seattle librarian Nancy Pearl who launched（发起）the "If All of Seattle Read the Same Book " project in 1998．Her original program used author visits, study guides and book discussion groups to bring people together with a book, but the idea has since expanded to many other American cities, and even to Hong Kong．
