Ancient Greek philosophy can change your life. Thousands of years before the advent of modern psychology, the thinkers of the ancient world were offering answers to the great questions of life, mental health and happiness. This book is a short beginner's guide to three of the leading philosophical schools of the ancient world: the Stoics, the Epicureans and the Sceptics. Find out why generations of readers have been inspired, challenged and helped by their contrasting ideas about how to live well.