Dear Sir,
I am an eBook Developer and I have specialized in digital publishing and eBook formatting for the last 3 years, prior to that I was working with print design for 5 years. Please get in touch with me if you are interested in finding out more, I can then send you work examples. My price will depend on the scope of the project. Can you send me the epub files for evaluation or let me know how many pages, tables, images and other more advanced formatting it has? I can then give you a firm quote.
Sincerely,
Marko Crnogocevic