Today I’m working on a treatment that is basically the rare book equivalent of cleaning under the couch cushions. This 2-volume herbal was used by a previous owner as a plant press, and many leaves, flowers and other assorted plant parts were discovered in-between its pages by our special collections librarian. The plants had already caused damage, such as acid-burn and staining, and also made it difficult for readers to handle or read this book. So we made the decision…