Study Questions on Chapter 4 (in Ten Theories)

Study Questions on the Phaedo (in Five Dialogues)

Steps in First Argument for Immortality of Soul (Phaedo 78bff.)

Highly Recommended Reading

The Cave Allegory

A Survey-Level Introduction to Plato

For insights regarding Socrates' and Plato's notions of the gods,
see Homer's Gods, Plato's Gods