Beginning with the pre-Socratics and Eastern philosophers, including religious philosophy, all major philosophers and schools are covered, right up to present day. The new edition includes more visual illustrations and pictures to further explain and enhance the subject of philosophy. Included are:

- The pre-Socratics
- Eastern philosophers and philosophies
- Renaissance humanism
- Enlightenment philosophers
- Idealism
- Modern philosophers and philosophy
- Existentialism
- Post-Structuralism and post-modernism