Stoic Six includes Meditations, the complete Letters from a Stoic by Seneca, the Enchiridion of Epictetus, the Golden Sayings and two more works from Epictetus.
Stoic Six Pack brings together the six essential texts of Stoic Philosophy: Meditations by Marcus Aurelius, The Golden Sayings of Epictetus, Fragments of Epictetus, Selected Discourses of Epictetus, Seneca's Letters from a Stoic and The Enchiridion of Epictetus.