This is a comprehensive introduction to the fundamentals of logic (both formal logic and critical reasoning), with exceptionally clear yet conversational explanations and a multitude of engaging examples and exercises. Herrick's examples are on-point and fun, often bringing in real-lifesituations and popular culture. Introduction to Logic brings in the history of philosophy and logic through interesting boxes/sidebars and discussions, showing logic's relation to philosophy. The book is especially suited for use in the "Open Course Library," a comprehensive online logic course that is open and free. Jointly funded by the state of Washington and the Bill and Melinda Gates Foundation, the Logic Course is one of 80 hybrid courses available online at no charge to the morethan 400,000 students in the Washington system. The course is also available for logic courses throughout the US and the world. The Logic Course is available online now. Herrick was chosen to develop the Logic Course for the online Open Course Library. For more information on the Open Library Course Logic Course, please visit : a href="http://www.opencourselibrary.org/"www.opencourselibrary.org//a