This book is a compendium of lesson plans for classroom exercises designed to foster philosophical inquiry with young people. It introduces the reader to a wide range of activities for exploring philosophical questions and problems with children from preschool age through high-school. There are lessons for a full-range of topics in philosophy, including metaphysics, epistemology, ethics, and aesthetics, and each is intended to help foster a supportive and caring classroom community of inquiry. All of the activities have been used on numerous occasions and include reflections on what teachers who employ the lesson might expect when doing so. Using this book, teachers, parents, and others can successfully being fostering philosophical inquiry with young people of all ages.