Are you familiar with, and have access to, InDesign?
If so, you could maybe import the PDF page by page into Photoshop, save each page as a JPG, then remake the book in InDesign.
Then from InDesign you would then be able to apply page transitions, and export as an SWF. You'd have animated page flips, and could even use "interactive page curl" which would allow the user to click the corners of the pages to flip them. Pretty cool stuff.
As far as pricing goes, that's up to you. You could probably get away with charging a couple hundred.
Trying to fill the unforgiving minute
with sixty seconds' worth of distance run.
I suggest going to www.smashwords.com and reading their how-to guide. You'll make the ebook in Word, and once formatted correctly, smashwords will convert it into several formats. If it is formatted perfectly, then you may submit it for consideration for Apple iBooks, B&N Nook, and Amazon Kindle inclusion!
If the book is like a novel with very little formatting of fonts and paragraphs, then it should take a week (if you are working weeknights). If it is more complicated, including photos and captions, then it'll take longer to format. Can you simply charge by the hour?
Out of interest, I've since found out more about the project.
It's for Kindle. Not too easy from a PDF.
The book layout is really complex, with pull quotes, text flowed around images, and all sorts of different fonts.
What I'm trying is converting the PDF to ePub via: http://www.2epub.com/ then I'll make any edits I need to in http://code.google.com/p/sigil/ and convert it to a .MOBI. I'm hoping this'll work!
Look up the ebooks in your own device. None of the good ones were converted. They were all designed from scratch, especially if they are complex with pull quotes and different fonts. Only a limited number of fonts are supported. The conversion codes are assuming something simple, that you've already done the homework and dumbed-down the original to make the conversion smooth.
Are you able at all to get the original documents that formed the PDF? Conversion from PDF to eBook is never a good idea, especially not at this infant stage of ebook creation tools. Sorry to blow your bubble.
Creating really good quality ePubs from PDF or other sources is surprisingly fiddly work. Unless you have a lot of time on your hand, and money for something like the latest version of InDesign, I'd outsource the task. Try echoebooks.com or bookgenie.in