--My Mailing List will always always always tell you about book sales & new releases and I’m open, friendly, chatty. You can unsubscribe at any time and I would never sell your address. You’re mine, all mine! BWAHAHA!
--Bookbub: You don’t have time for chatty, you simply want a brief notice about new releases. Bookbub always sends.
— Goodreads: Sends a monthly notice, highlights the authors you follow.
— Amazon sends notices about new releases.
So join, follow, read, enjoy!