ABOUT

Short, clear, and each one tells the reader immediately: "This book is for you."
As a marketer, you've already spotted the key lesson from the feedback on End of a New Beginning: don't lead with the setting; lead with the most intriguing element. "War in Europe" is familiar. "A mysterious case sought by the Vatican and linked to secret societies" is a hook. This lets you appeal to several reader groups without feeling repetitive.