wooden_flower Volunteer Community Mentor.
If listed in the books category, you should be able to select media mail from the list of services. So like any other item, enter weight and dimensions, choose calculated, then choose media mail from the services.
You have a number of items listed with media mail, but free shipping. If you are using the new listing form, just uncheck the free shipping box and select calculated shipping, if you're looking to change one of those.
