Wanted: Art Book Marketing Help
I'm looking for help spreading the word about my friends popular art learning book series. The books are on Amazon (paperback) and Gumroad (pdf digital). If you can consult on tangible, actionable, ideas on how to increase his product sales, please send me a proposal with an outline of what you will suggest and I'll send you the book information and websites.
He already has active accounts on Facebook, Twitter, Instagram, Goodreads, DeviantArt, Tumblr, Pinterest, Linkedin & YouTube. We already know about Facebook post boosting, Fiverr, Instagram/Twitter ads, Amazon giveaways, SEM ads and email newsletters.