Through grime, stains, and wax droplets, the filthiest, most well-loved manuscripts tell us the story of how medieval people used - and abused - their books. This week, Danièle speaks with Kate Rudy about what we can learn from the smudges the people of the Middle Ages left behind, how modern technology helps us figure it out, and why we should all appreciate a really dirty book. You can support this podcast on Patreon - go to https://www.patreon.com/medievalists