Level 1:
Linda Johnsen's Lost Masters
Antonia Tripolitis: Religions of the Roman Hellenistic Age
Karl Kerenyi: Gods of the Greeks
Julia Annas' Ancient Philosophy: A Very Brief Introduction
Joscelyn Godwin: The Golden Thread
Hesiod: Theogony
Apollonius: Argonautica
Homer: Odyssey
Level 2:
Karl Kerenyi: The Heroes of the Greeks
Julia Annas: Plato: Very Brief Introduction
Christoph Riedweg: Pythagoras: His Life, Teaching and Influence
James B. Rives' Religion in the Roman Empire
Frances Yates: Giordano Bruno and the Hermetic Tradition
Aeschylus: Prometheus Bound
Euripides: Bakkhai
Vergil: Aeneid
Apollodorus: Libray of Mythology
Ovid: Metamorphoses