What is Atheism? Atheism is the rejection of religion outright. It posits that there are no deities, and that the existence of all things can be explained rationally and without the presence of a higher power. This independently written book aims to examine the history of atheism and its philosophical development throughout the years, its rise in popularity throughout the 20th and 21st centuries, its central tenets of belief, the reason behind a person becoming and atheist, as well as atheism's future. It also contains survey data, provides popular quotes about atheism, lists a large variety of famous atheists, and depicts today's commonly used atheist symbols. Contents: What is Atheism? The History and Development of Atheism Atheism Today & Tomorrow Atheism Vs. Agnosticism What is Behind the Selection of Atheism as a Religion? Types of Atheism Reasons for Atheism The Current State of Atheism Atheist Symbols, Quotes and Famous People