Having travelled down this path myself the answer depends on your budget timetable and willingness to work with someone virtually. If you aren't on a shoestring budget and are willing to work with someone who isn't just down the road from you then I would rmend finding a designer on graphic design sites like and . I've even done some intense Google search results that then transitioned into Skype calls and emails. The process took about 2 months and I was very pleased with the end result (below). Also... the main author and I wrote this article on to outline what we learned from going through the process 5 Keys to Book Cover Success I'd suggest giving this article and its associatedments a read to help make the journey a little more palatable for you.