This concise, affordable, and engaging new text is designed for introductory courses on logic and critical thinking. This unique book covers the basic principles of informal logic while also raising substantive issues in other areas of philosophy: epistemology, ethics, philosophy of language, and philosophy of science. The authorrs"s presentation strikes a careful balance: it offers clear, jargon-free writing while preserving rigor. Brimming with numerous pedagogical features this accessible text assists students with analysis, reconstruction, and evaluation of arguments and helps them become independent, analytical thinkers. Introductory students are exposed to the basic principles of reasoning while also having their appetites whetted for future courses in philosophy.