I don't know. I'm afraid the camera's might be bad. But I guess I'll see for myself in 2 months.
Thing is, it's hard to create a
compact non-destructive DIY-book scanner. If you look at
http://www.diybookscanner.org/forum/ you'll see a lot of ingenious devices. But they are all extremely bulky. And they have a "sliding-center" problem.