The purpose of a book blurb is to create a reader expectation of the book, as well as make the reader want to find out more

An amazing cover is the bait to get your reader to turn the book and read the blurb. A fantastic book description will lead to a sale.

The blurb is the apparel that entices your reader to learn more .Writing a blurb or book description can be even more difficult than writing the entire novel. It involves an entirely different art form and is the single most important piece of writing you will do on your book. If your book description doesn’t grab them and make them feel the need to read what’s inside  then you’ve likely just lost a customer. The key is to create intrigue and a hopeful outcome that will captivate your potential reader without giving the story away.

Less is more – think of it as your elevator speech. Lead with a hook. make the conflicts and stakes immediate and urgent, and there is no better way to do that than in the present tense.

A well-written blurb is clear, simple, intriguing, and sets appropriate expectations.
It makes readers ask questions to which they can only find the answers by reading your book.

“Linda has published fifteen books. She blogs about the publishing world, posts useful tips on the challenges a writer faces, including marketing and promoting your work, how to build your online platform, how to get reviews and how to self-publish.”