on NonFiction Authors Association:
Entering your book in a book awards program can be a fun marketing strategy. Winning an award may not necessarily generate a bunch of sales, but it will give you bragging rights. And most reputable award programs will publicly announce your prize and promote it to their networks. Beyond that, you will need to take some steps to get as much mileage out of that award as you can.
Following are some strategies for leveraging your book award to build awareness for your book.