In many ways they are, especially in niches for non-fiction. For example, on my companion blog, Reality Calling, it’s main purpose has become the curation of Christian speculative fiction. These books are hard to find because the major book sites like Amazon, Nook, iBooks, and Kobo have no way to effectively search for them. So, my constant book reviews provide a way for readers to eliminate books which are not really Christian (or simply bad stories).
This site is focused on book design, typography, and InDesign—with digressions into font design upon occasion. My job is to share what I have learned in over 40 years of professional practice, articles I have read, resources I find, and so on. The goal is to provide you with a resource to enable effective, economic, and professional self-publishing.
This particular curated collection, juried show, or whatever term works best for you has a very tight focus which is separate from anyone else out there. At least that is my intention. It remains to be seen if I am actually providing such a thing.
If you are a non-fiction author, pay attention
You need to do something like this for your niche. Even if you write fiction, a fantasy author could provide all the things which Tolkien provided which were created by him to build Middle Earth into the alternate reality it became. Or you could develop a resource on world-building. That’s up to you, because…