Bowker identifies self publishers as those who purchase 1-10 ISBNs and create 1-99 new titles a year.
The term "metadata" refers to the title details of your book. It includes basic information, such as title and author. It also includes a description of your book and of the author.
Here are some links where you can learn more about metadata:
2) DiscoverBowker on Slideshare:
3) Learn more about ISBNs
4) Learn more below on how to submit your metadata to Bowker including reading about specific metadata types and our data submission methods.