"Το Κοράνι είναι το ιερό βιβλίο του Ισλάμ."

Translation: The Koran is the holy book of Islam.

[jeanprendiville]

The sacred book ?

[mizinamo]

Qur'an (with apostrophe) should also be accepted, I think, alongside Quran (without apostrophe) and Koran.

[Dimitra956826]

I'd added "Qur'an" in another sentence weeks ago, forgot to add it on the other two, including this one. Thank you ^.^

[mizinamo]

Thanks :)

[greekdude_]

"Islam's holy book" should be accepted

[Randy706457]

Sacred should be accepted

[G.Georgopoulos]

Yes, added.