Books tend to develop mould if they are allowed to get damp for extended periods of time. Mould damage the books by staining them and also breaking down the paper. It is important that books are clean and dry before they are packed. Books that feel damp or have a musty odour should be aired and dried in a well ventilated room. Surface dirt and dust should be removed with a soft … [Read more...] about How To Clean Mouldy Books