It never hurts to have more people on your team spreading the word about you and finding more readers for your book. (authorsguild.org)
Because every nonfiction author has goals, and those goals are usually dependent on finding more readers. (thebookdesigner.com)
There's no expiration date on independent marketing, and in fact, I'm finding more readers now that my series is complete than when the books were fresh. (lapl.org)