The Heidi Thorne Show

Explainer: ISBN Numbers | Episode 48

September 11, 2018

Confused about ISBN numbers? I explain what they are and what they can (or cannot) do for you.

Here's the link to the 2018 Thorne Self Publishing Survey on Survey Monkey. It's anonymous and takes about 3 minutes. Thanks for your participation!

Connect with me on my website at To get my books, eBooks and audio books, visit my Heidi Thorne author page on My audio books are also available on iTunes.