Please answer the following question: Citizen Power: A Mandate for Change is a 2008 book on American politics by 2008 United States presidential candidate Mike Gravel published by Authorhouse. It describes the numerous efforts that Gravel has experienced throughout his political career as an Alaska state legislator and United States Senator from the 1960s 1970s and into the 1980s. His blueprint for a ballot initiative within the Federal government of the United States known as the National Initiative is also detailed greatly. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Written Work