Based on the podcast with over 100 million downloads, Fall of Civilizations brilliantly explores how a range of ancient societies rose to power and sophistication, and how they tipped over into collapse.

When the decapitated body of a lonely man washes up on the River Loire, Lombard's investigation draws him into the world of eco-terrorism, bio-medical research, French aristocracy and a violent plan to save the planet.

Hettie Bagshot and Tilly Jenkins find themselves snowed in on Christmas night when they are visited by five Christmas spirits who threaten to ruin the festivities