I've downloaded e-books from the library many times, but the one I am currently downloading is stuck on "downloading title" and won't let me do anything else, period. How can I stop the downloading process? Thanks!
First of all try the usual fixes:
Reset your iPad - press and hold Home and Power button until the Apple logo appears.
Restart you device: turn it off, wait for a few minutes and turn it on again.
If this doesn't help, try downloading another (free) book. Perhaps this will make the stuck book load again.