Do you need your eBook formatted?
There are so many different eReaders out there, and even more versions of software, it's best to keep your internal book design as simple as possible.
But, what ever you do, don't get suckered into paying hundreds of dollars to have your simple ebook book formatted.
Fiction books are pretty straightforward to format, but non-fiction usually takes a bit more work.
I use Vellum to format all my ebooks. If you have a Mac you can download the software and format your own book for $29.99 per title, or just under $10 if you buy a ten-book subscription.
If you don't have a Mac, or more importantly - don't even want to spend the time formatting your own book, I can do it for you, and I only charge $20 per book.
My Portfolio of ebook interior formatting using Vellum:
"Wow Jay. You have done an Amazing Job" Richmond Donkor, Author
"You truly are a rock star!!!!! These files look amazing! I can't get over how great it looks! You did wonderful work! My wife almost cried when she saw it." Nick Klett, Author
"It has some edgy/experimental structural elements ... It looks awesome!" Amanda Sautbine, Author
I also provided feedback on cover design improvements. Here's the after and before: