The ever-helpful David Gaughran keeps his email newsletter archives here. It is an extensive trove of practical advice relating to BookBub, Amazon advertising, Facebook advertising, marketing with email and launching a book. David says:
“Welcome to the email archive – where I store all the most useful emails from my weekly marketing newsletter. I’ve grouped them into various topic areas so you can dive into the subjects of most interest to you.”
And don’t forget to sign up to his newsletter here.