A Quick Note About the Mailing List Subscription Process:
After your mailing list subscribers join your MailChimp-powered mailing list, they will see a pop-up window that instructs them to check their email inbox for a message from you. After they open that message and click on the link to confirm that they did request to join your mailing list, they will receive another message welcoming them to your mailing list and granting them access to the mailing list incentive they signed up for.
What they don't know yet is that they will also receive a few more autoresponders from you that are designed to:
-introduce them to you and get them caught up on any information you have already shared with your mailing list that they have missed,and
-a follow-up message about the incentive they received to ask if the incentive delivered the promise they expected and offering tips on how to make the most of it.
You don't have to brainstorm what you will put into your autoresponder messages now. I'm just pointing it out to help you appreciate the overall experience you are creating for your subscribers. After you do all of this to help them and add-value to their lives at no cost to them, they will be much more willing to pay money for your book because now they are really starting to like, appreciate and trust you as someone who is working to help them and not just to help yourself by making a book sale.