The Zombie Stack Exchanges That Just Won't Die
We have received a hardcover book, the dust jacket of which is wrapped in plastic cover. (We are not sure of the precise composition of the plastic, if that matters.) Do such plastic covers usually have any long-term preservation issues themselves, and if so, how can they be ameliorated? Might the plastic pose any long-term risk to the underlying dust jacket or the book, and likewise, how might such issues be ameliorated?
The type of plastic used is the deciding factor:
A quick Google search will find a number of vendors selling archival quality Polypropylene covers :)