Update a ebook on business

Need to update an existing ebook (more than 200 pages) on corporate turnaround with the latest facts particularly on the latest on sub-prime problems in US, slowing global economic growth, collapse of the Bears Stern, Fannie, etc. Also tidy up the writing so that these updated facts can weave in nicely into the existing script. There are 101 principles in the ebook that need an updated fact for each principle. The budget for this piece of work is USD 30