Yes, you shouldn’t just discard it, specially if it is the Qur’an (100% arabic without any additions), because that is considered the word of god.
But even for those it is considered the respectful way to either burn or bury them.
Any book that also contains translations or tafsir (comments for context) is not even considered to be the Qur’an, and the rules about only touching them while pure don’t apply. Some might still treat it the same way, because it’s important to them though.
Yes, you shouldn’t just discard it, specially if it is the Qur’an (100% arabic without any additions), because that is considered the word of god. But even for those it is considered the respectful way to either burn or bury them.
Any book that also contains translations or tafsir (comments for context) is not even considered to be the Qur’an, and the rules about only touching them while pure don’t apply. Some might still treat it the same way, because it’s important to them though.