20 Email Subject Lines That Skyrocket Your Book Sales

If you’re an indie author trying to grow your audience and sell more books, email marketing is your secret weapon. But here’s the catch—no one opens boring emails. That’s why your subject line has to do all the heavy lifting.

This powerful toolkit gives you 20 ready-to-use subject lines designed specifically to:

• Boost open rates
• Increase click-throughs
• Drive more book sales

Each subject line is backed by marketing psychology and real-world testing. Whether you’re launching a new book, announcing a sale, or nurturing your list, you’ll find copy-and-paste templates that grab attention and inspire action.

Plus, you'll get a bonus guide on how to test, optimize, and craft your own killer subject lines with confidence.

✅ Perfect for:

• Self-published authors
• Book marketers
• Newsletter writers
• Anyone looking to sell through email

Don’t let your emails go unopened. Use this toolkit and turn your readers into loyal buyers—one subject line at a time.