Your email subscribers are on your list because they want to hear from you and are eagerly anticipating your book release. They will be happy to share news of your book with their audience as well. They just need to know how to do that and you can provide all the information they need to easily share your book release announcement.
About a month before your book is released, let your email list know when the book will be released and ask them to share the announcement with their network. Write up copy about the book that your audience can share on their social media platforms. Include sample tweets and Facebook messages they can share. What other ways can you leverage your email list to support your book launch?
Here's a great example. Author of The Business of Being, Laurie Buchanan, PhD, just sent out an email to her list about her book release early next month. She includes several things her audience can do to help support her book launch - all of which I strongly recommend my clients include in an email they send to their list about a month before their book release. I asked Laurie if I could share her email here and with her permission, it's reprinted here. See my notes that follow. … more … "Leveraging Your Email List for Your Book Launch"