Every promotion in Booksprout comes with a few great benefits.
The first and most important is the mobile notifications we send out. Every one of your Booksprout followers will receive a notification on their mobile device to alert them of your book's promotion. This can be powerful, considering most of us simply cannot ignore a mobile notification!
The second great benefit is that your book will be listed in Booksprout's discovery section for new readers to find. The more views you get on your book, the higher it will be listed! If you want to maximize this benefit, it's best to get a lot of followers who will give your books a lot of views, which will result in your book being displayed more prominently in the discovery section.