2. Clean out any dust and dirt. Got it. 3. Restore the book block. What? The book block is the stack of pages, unbound. Make them nice and even 4. Replace the old cloth with a new one to strengthen ...

Watch out, old book enthusiasts – your collection ... aka copper acetoarsenite, used to color cloth book bindings. Discovered in 1808 and first manufactured as a pigment in 1814, the toxic ...

"These old books with toxic dyes may be in universities ... garments and—as Winterthur found out—in cloth book covers. This ...

The project recently influenced the decision to remove two books from the French national library. The reason? Their vibrant green cloth covers raised suspicions of containing arsenic. This ...