Ok, I know many guys here have become expert in making books for iLiad or Sony.
Making customized book for readers are lot works, and recently I tried PitShop, Acrobat Pro,pdffactory, RasterFarian and odfReader... all of them are good at certain pespects.
I just want share a simple way to enlarge reading area as we can on PDF file, because some PDF leave quite a lot space between contents and borders.
It's not about converting PDF to another, just make the PDF optimized ans stay on current struture, I think it's very useful for iLiad user, for sony user, it's not likely, because it's not enough for most of PDF even after doing this.
(unfortunetly,I'm gonna be a Sony user)
It's very simple, just use Foxit reader(free) open the PDFs, and then print it into PDF again (using acorbat pro/pdfcreator/pdffactory).
The in the printing setting, you can set print 120% or 130% or even 150% whatever, you just need set the percentage when seeing the preview, the you can less the blank as less as you can...
Then print.
It's quite simple, so I guess someone else may have found this way, but anyway, I just want share a little here