They used the same narrator they hired for Write, Publish, Repeat, which is a good thing. (audible.com)
David Garghran's «Let's Get Digital», because they both help equip the modern indie - author (and have the same narrator). (audible.com)
Note that if your book is in a series where the main characters appear in each book, be aware that listeners like to keep the same narrator throughout the series. (karencommins.com)