Publisher's Synopsis
Describe the main plot, theme, or idea only. Avoid details that may overwhelm or confuse a reader who's only taking a second or two to decide whether to find out more about your book. Also, keep your language short and simple. Aim for a 150-word paragraph with sentences that are easy to scan.
Avoiding overwhelming and confusing details will help make your description compelling, but also consider how to grab readers' attention. For example, write a first sentence that draws them in. This sentence may be a reader's first impression, so make it special. Also, set expectations by showing what genre your book belongs to. Professional
Again, this might be your reader's first impression, so make sure your description is polished--no misspellings or grammatical errors. It may be hard to edit a text you've looked at several times, so show it to others to get a fresh set of eyes.
