This week, a special podcast from the Hay Festival ranges from the ancient world to the 16th-century, taking in the art of criticism, the centrality of religion and eco-catastrophe. With Stephanie Merritt, Edith Hall, Toby Lichtig and a guest appearance from TLS crossword compiler Praxiteles.

'Traitor's Legacy', by SJ Parris

'Epic of the Earth: Reading Homer's "Iliad" in the Fight for a Dying World', by Edith Hall

Produced by Charlotte Pardy

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