Earlier quoted context omitted.
There are providers [1] that will destructively scan the book for you and return a PDF. If you want to preserve the book, you're stuck using a scanning rig [2]. The Internet Archive will also non-destructively scan as part of Open Library [3], but they only permit one checkout at a time of scanned works, and the latency can be high between sending them a book and it becoming available. FYI, 600 DPI is preferred for a…
A big +1 for 1dollarscan.com. They've scanned many hundreds of books for me. The quality of the resulting PDFs is uniformly excellent, their turnaround time is fast, and their prices are cheap ($1 per 100 pages). I've visited their office -- located in an inexpensive industrial district of San Jose -- on multiple occasions. They have a convenient process for receiving books in person. I believe the owners are Japanes…
I wish the same could be said for the Tokyo office I work in!