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The daughter library in the Serapeum may have survived after the main Library’s destruction. The Serapeum was vandalized and demolished in 391 AD under a decree issued by Bishop.

Also during the Christian season of Lent in March 415, a mob of Christians under the leadership of a lector named Peter, raided Hypatia’s carriage as she was travelling home.[26][27][28] They dragged her into a building known as the Kaisarion, a former pagan temple and center of the Roman imperial cult in Alexandria that had been converted into a Christian church.[29][26][28] There, the mob stripped Hypatia naked and murdered her using ostraka,[26][30][31][32] which can either be translated as “roof tiles” or “oyster shells”.[26][33] Later historian John of Nikiû also tells a similar story.[34] Even later historian Byzantinist Fr. Adrian Fortescue, says that the mob of Christian Parabalanies and Peter, cruelly tore her to pieces on the steps of a church. Damascius adds that they also cut out her eyeballs.[35] They tore her body into pieces and dragged her limbs through the town to a place called Cinarion, where they set them on fire.

Islam indeed learned much from early Christians.