"You're quite right Mary. Radio stations do not charge an author for an interview. My point , however, is that while being a guest on a radio talk show is an opportunity to talk about your book, the actual impact it will have on sales has…"
I've appeared on many radio programs to promote my thriller. It was a good experience and ego booster, but as John Locke commented in How I sold 1 million eBooks in 5 months, " The money I spent in PR did not return my…"