* A book about jeans? There are many books about the history, design, and fashion of jeans. You can find these at libraries, bookstores, or online retailers like Amazon.
* A book by Jean (a specific author)? If you know the author's full name, you can search for their books on online retailers or library databases.
* A book about a specific topic related to jeans? For example, "A book about denim care" or "A book about vintage jeans."
Once you provide more context, I can help you find the specific book you are looking for.