The Bible. It says specifically that it is the word of God. Just make sure it actually is the bible, watch out for the gnostic gospels.
Yes, according to the Islamic religion it's the only authentic & trustworthy book on the whole wold. It's God's word which must be true.
The most sacred heavenly book the Qur'an is considered to be the true word of Almighty God but only in Arabic language.
As true as any religion is....
The Qur'an is the holy book of Islam, which is the religion followed by Muslims. It is believed to be the literal word of God as revealed to the Prophet Muhammad.
no ofc..god made all religion...so he believe in all
Opinions on which is the "true religion" will vary: believers of many different religions will tell you that THEIRS is the true religion. Several religions believe in a single God; usually this single God is all-powerful, so that would reply the second part of your question. The key word to search for (for example, in Wikipedia, or in Google) is "monotheism" (belief in a single God). Some religions that believe in a single supreme God are Christianity, Islam, Judaism, Bahá'í Faith.
There is only one true God.
Islam. The true religion.
God's word is true because he is the father of everything. God never lies and Jesus is the son of God.
Yes, every religion for heavenly father is true.
The word for a belief or religion having one god is "monotheism".
Definitely not God!