"I know the ink that you describe. It exists. I shouldn’t tell you even that, and for the sake of our friendship I ask you to burn this letter after reading. The ink is called here 'encaustum terminale' and it is a great treasure of the House."
A brand new letter has come to light, from a mysterious 'F.' to Christopher Illopoly. It sheds light not only on the 'secrets of inks' but on the Hours, the Librarian and Christopher's own heart, too.
Check out the originals and their transcript on the blog.