"Amr ibn al-ʿĀṣ" an Arab that took over Egypt,
asked "Yaḥyā al-Naḥwī" (the name that the Arabs use for John Philoponus, "the Grammarian", who was Christian)
to explain the Library to him:
"Who gathered these books, and what is (so) important about them?” and Yaḥyā answered him: “Ptolemy Philadelphus, one of the kings of Alexandria; in his reign, science and the people of science were in esteem, and he searched for the books of knowledge and ordered them to be collected, and he dedicated a special store-houses to them. They were assembled, and he entrusted the responsibility to a man named Zamira; and he supported him in order that he could collect them, [after] searching for them and buying them and inciting sellers to bring them and he did so. And in a short time he had assembled 54,120 books.
Amr ibn al-ʿĀṣ then asked Caliph "Umar ibn al-Khaṭṭab" what should be done with them:
And he received a letter from ‘Umar telling him [what follows]:
“As for the books you mention, if there is in it what complies with the Book of God [Q’uran], then it is already there and is not needed and if what is in these books contradict the Book of God there is no need for it. And you can then proceed in destroying them.”
‘Amr ibn al-‘Āṣ then ordered by law [xi] that they should be dispersed in the public baths and to burn them in the bath’s heaters. And I was told that at that time several public baths used [the books] for heating, bringing some fame to new public baths which later on were forgotten afterwards and it is said that they had enough heating for six months."
https://www.historyofinformation.com/detail.php?id=5023
there doesn't seem to be anything here