Share short bits of information or create image quotes to share on social media. (millcitypress.net)
You can / should do the same thing with your own book: pull out 10 to 20 amazing quotes and turn them into image quotes. (creativindie.com)
It took some work but the default sales page for Teachable is also pretty stylish — you can set fonts and sizes, add images, add picture dividers with text over the pictures... I didn't like the testimonials style so I made image quotes in photoshop for those. (creativindie.com)