There is only one sacred text, the Hebrew Bible, of which the Torah is a part. There are several other writings of religious significance, such as the Talmud and Mishnah (writings of ancient rabbis). Only the Hebrew Bible is considered sacred by most Jews.
The Tanakh (Hebrew Bible) has information about the Hebrew leaders. See also:http://judaism.answers.com/jewish-history/timeline-of-jewish-history
Judaism accepts parts of the Christian Bible as sacred, but treats the entire Jewish Bible as sacred.
Abrahamic religions, which include Judaism, Christianity, and Islam, each have their own sacred texts that guide their beliefs and practices. The Hebrew Bible, or Tanakh, is the holy book of Judaism. Christianity holds the Bible, consisting of the Old Testament (similar to the Hebrew Bible) and the New Testament, as its sacred scripture. Islam’s holy book is the Qur'an, which Muslims believe to be the literal word of God as revealed to the Prophet Muhammad.
They Hebrew Bible is the backbone of Judaism and the source for most Jewish laws and traditions.
All 24 books of the Hebrew Bible are considered sacred to Judaism. The primary sacred books are the books of the Torah. Secondary would be the books of the Prophets, and lastly, the Holy Writings, such as the Psalms and Proverbs.
The sacred text of Judaism is called the Tanach. The word Tanach is an acronym made from the names of its three parts: Torah (Teachings), Nevi'im (Prophets), K'tuvim (Writings).
The sacred book of Judaism is the Tanach - the Jewish Bible. The word Tanach is an acronym made up of the names of its three sections: Torah (Teachings), Nevi'im (Prophets), K'tuvim (Writings).
The Tanakh (Hebrew Bible).
Both Judaism and Christianity consider the Hebrew Bible to be part of their sacred scriptures. Islam believes that the Hebrew Bible is the writings of the prophets of God but that the Koran is the ultimate prophecy given by God.
Torah
The Torah (תורה)
Because it's from God.