No, you turn the pages, but you don't have to unbind the book or press the face down to get a good scan. Just place the book facing up and turn the page and it will perspective correct and scan for you.
And it's worth pointing out that this process doesn't take that long. A few seconds per page, plus you're photographing two pages at once so you're only turning N/2 pages, or ~170 times for your average length novel. You can definitely plow through multiple books in an hour this way.
Something like this is what I've used before https://thecrowleycompany.com/digitization-products/large-fo...