Those were actually the wrong files (Preview chewed em up and spit em out) but I'll give these a go.
The real files are here (or rather, those that didn't get mauled)
Wow... first one was a bit of a mess, but the second (book.pdf) was very nice.
I'll give it a go. As Preview ate the first few pages I'm going to have to scan again anyway. But I'll do it in black and white this time (I had always heard to use grayscale). Thanks for taking the time to help!