Stoic Six Pack 7 - The Sophists brings key primary and secondary sources together in one volume for a fully rounded understanding of this early, often misunderstood philosophical movement: The Sophists by Henry Sidgwick; Protagoras, Euthydemus and Gorgias by Plato; Memoirs of Socrates by Xenophon; Stoic Self-control by William De Witt Hyde and The Sophists - Biographical Sketches by William Smith.

'Stoic Six Pack 8 - The Peripatetics' includes Lyco of Troas by Diogenes Laertius, The Aristotelian Sense of Proportion by William De Witt Hyde, Strato of Lampsacus by Diogenes Laertius, Life of Aristotle by George Grote, Theophrastus by George Malcolm Stratton and Post-Aristotelian Philosophy: The Stoics by Alexander Grant.