Tag: book as a product
This post lists examples of prospective buyers for children's books. This is by no means an exhaustive list but should stimulate your thinking to find new places in which to sell your book.
You might look at the non-bookstore market for your books and think, “Is there a place for me in that market, or is it too big?”
Expand your approach to book sales to include retailers other than bookstores (including online retailers). The more strategic you are about where your book is available, the more likely your target buyers will be to find and buy it.