because that's the language it was originally written in. (Only Christians choose to read The Bible in translation. Jews prefer the original Hebrew.)
It is written in (and identical with) the Tanakh (Hebrew Bible).
It depends on the religion. The holy book of Christianity, the Bible, was originally written in Hebrew, Aramaic, and Greek. The holy book of Islam, the Quran, is in Arabic. Hinduism has multiple holy texts written in Sanskrit. Buddhism's primary text, the Tripitaka, was written in Pali.
Judaism. Christianity also shares some of the same holy books.
The Tanakh (Hebrew Bible) is in Hebrew (almost all of the chapters. A few chapters are in Aramaic).
The holy language for Jews is Hebrew.
The Torah is the Holy Book of Judaism for Jews, yes.
The Hebrew holy books are collectively called Tanakh (×ª× ×´×š)
Sikhs and Jews do not share any of the same holy books.
The Bible is the holy book of ChristianityThe Quran is the holy book of IslamThe Talmud is record of rabbinic teachings on Jewish law and customs; the holy book of Judaism is the Torah.
My opinion, is that during Bible times, Hebrew peoples were considered as, Jews.
BaMidbar (Numbers).
Jews and Muslims have different holy books. The Jewish Holy Book is the Tanakh or Jewish Bible, composed of the Torah (Law), Nevi'im (Prophets), and Ketuvim (Writings). The Islamic Holy Book is the Qur'an and Muslims also give legitimacy to the previous holy books of the Taurat (Jewish Torah), Zabur (Psalms), and the Injil (Gospels).To read more about these holy books please see the following questions:What are the Jewish Holy Books called?What are the Islamic Holy Books called?