"Practical Advocacy" - a book written by Chapman, John Jay, is a guide for those who seek to influence society through confident and effective communication strategies. The author provides the reader with not only theoretical knowledge about the principles of campaigning, but also specific examples and recommendations that will help to implement ideas into practical actions. Thanks to this book, the reader will be able to understand how to influence public opinion, mobilize people to action and achieve desired goals through a properly constructed communication strategy. "Practical Agitation" will become an integral part of the library for those who seek change in the world around them.