The material on the covers of books from a French abbey was too hairy to have come from calves or other local mammals.

Historians were surprised when analyses revealed Catholic monks used pinniped hides for the protective outer layer on some ...

The "romance" of Alexander the Great is a unique illuminated codex on his life and was the most widely-read romance in the ...

A show at the Morgan Library & Museum centers on a popular travel compendium of the medieval era, filled with exaggerations ...

But how trustworthy were the alluring illustrations and evocative descriptions that filled guidebooks past to places far removed and little known?