Subtitles are Book PR's Secret Weapon
If you've been online researching how to market a book, you've probably read many options about the most important tactics. One of them is right on your book's cover: the subtitle. As much as titles are written to be memorable and attention-grabbing, the subtitle does the work of communicating what your book is about. They're especially crucial for nonfiction titles and help with in-store sales and online searches.
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