Btw for better results (and manual correction) ScanTailor is a handy tool.<p><a href="https://github.com/4lex4/scantailor-advanced">https://github.com/4lex4/scantailor-advanced</a><p>1DollarScan is the best option available currently in US so with bookfinder.com you can find/send directly to them and get the book reasonably well scanned.
> As a comparison, I randomly picked a Chinese scanning shop on Taobao and sent a book for scanning for 0.05 yuan, or $0.0071, per page.<p>> They delivered the PDF in less than two hours after receiving the book.<p>It would have been good to see how well they did in terms of OCR, image compression, etc., compared to 1DollarScan.
Impressive they were able to get so many improvements from post-scan processing. Yet I can't imagine needing a PDF so badly it's worth the effort. I'd probably just try to buy a digital copy.