This week Patrick covers the best in Irish and International history publications for September 2021. Books covered on the show include: 'Making Deep History' with Clive Gamble, 'The Red Prince: The Life of John of Gaunt, the Duke of Lancaster' with Helen Carr, 'Conquering Peace: From Enlightenment to The European Union' with Stella Ghervas, 'Medieval People from Charlemagne to Pierro della Francesca' with Michael Prestwich and 'Murder Maps: Crime Scenes Revisited' with Dr Drew Grey.