Aside from the most
obvious places, try Daedalus Books, BookraK, Christianbook.com, Dover Books, or other book catalogs, and blogs about book
cover design such as BookCoverArchive, TheBookDesignReview, and TheBookDesigner's Ebook Design A
design such as BookCoverArchive, TheBookDesignReview, and TheBookDesigner's
Ebook Design A
Design Awards.
For
obvious reasons, almost all of my book
cover design clients are also looking for
ebook conversion and formatting so they can put their book up on Kindle, B&N, Apple / iBooks, and other -LSB-...]