I'm still having trouble finding someone to do a reliable print job, what I've gotten back look ROUGH.
I take it you're a Graphic Designer who laid all these out? Or touched them up from scanned files? Cool! What has your problems been with getting these printed out properly? Are you sending them out for a small batch print job at an actual offset (or even digital) printer (which can get EXPENSIVE)? The PDF's I downloaded aren't spreads and full bleed with crop marks like they should be for a proper print job (which I'm sure would be easy for you to output the PDF that way) but even if they're laid out like I see them in those PDF's, that it's an easy 10-30 minutes (depending on how many pages) of Photoshop work on the pages which are actually full-bleed to get an extra 1/16" (which many inside pages aren't) so you can trim them to size correctly.
You also don't have printers spreads setup, which is needed for when you print them double sided, trim them to size, and fold them in half to staple them together to form a proper booklet so the pages are ordered correctly. But again, if they're laid out in a program like InDesign that's only another 20 minutes or so (again, depending on how many pages) to reorganize the pages to output a PDF you can easily trim and fold for a proper booklet.
...I'm sure you already know all the above, I was just wondering what your problems have been. I've personally made maybe 15 or 20 manuals to flush out my collection of Sega Genesis games by saving money and buying the games cartridge-only (I'm fine with paying ~$20-50 for the more pricy Genesis game for the cartridge only...but not like $70-100+ just because they come with a manual and booklet I can print myself with a $5 authentic Genesis case).
I then take the best PDF's I can find online (which are usually pretty darn crappy, not like these nice clean PDF's...sometimes even have to use some cover art from The Cover Project if that scan is really bad), touch them up, add bleed, lay them out in printers spreads, and even bought a ream of pretty-darn-close (and thinnish, but nice like they commonly used) semi-gloss paper for the covers of the manuals, then use matte paper for the insides like they usually use on Genesis manuals. Unless you literally study them you really can't tell them apart from the real thing (and that's coming from a graphic designer of 20+ years!) - I even have an industrial-style (pro-office) printer which can saddle stitch (staple) and fold them for me so I make 3 cuts for a full-bleed manual and I'm golden. These are some of my rejects I had laying around:
http://imgur.com/a/mFJIZ (which are like 95% close to being as perfect as they can be from the scans I was able to find).