Al-Jawab as-Sahih

الجواب الصحيح لمن بدل دين المسيح

By Ibn Taymiyyah 728h (1328 CE) 7 volumes

The most extensive classical Islamic response to Christianity, written in reply to a letter from a Cypriot Christian. Ibn Taymiyyah examines Christian scriptures, the Trinity, the divinity of Jesus, and the integrity of biblical texts, providing detailed theological arguments from an Islamic perspective.