Libraries do all the time....
Better to sell them for 50p a pop. That or recycle.
Burning a particular book shouldn't be an offense, religious feelings be d@mend.
Unfortunately some religious people have conniptions about this (depending on whose text it is) and of course the Heine quote "those who burn books will in the end burn people" does carry some weight.
Blasphemy laws were scrapped in England and Wales about 20 years ago and in Scotland a few months ago. AFAIK they still have them in NI which is more religious. There was an incident in PL a few years ago where a clergyman was publicly burning Harry Potter books however I forget how that turned out.