Top 5 Religions and their Holy Books :

1. Sri Guru Granth Sahib

Guru Granth Sahib is a holy book of Sikh religion. This book was written by fifth mentor of Sikh religion in 1604 AD. Before the death of 10th mentor Guru Gobind Singh Ji, he gave his throne to Guru Granth Sahib Ji for forever  in 1708 AD. This holy book has 1430 angs (pages). Guru Granth Sahib Ji written in Gurumukhi script. 

2. Bhagvad Geeta 

Bhagvad Geeta is the holy book of Hindu religion. In this religion,  this book is most sacred and holy out of all scriptures available. This book is a narrative form of a dialogue between Lord Krishna and Pandava prince Arjuna. It is a small portion of the Hindu epic The Mahabharata. This book was narrated by sage Vyasa and written by Lord Ganesha. 

3. Koran or Quran 

Koran or Quran is a holy book of Islam religion. It is a book which has 114 pages. This book speaks about the moral and ethical values. It is a finest piece of literature in Arabic Language. This book divided into various chapters called Suras. This book was written in earlier 7th century AD. This literature was written in the period of Muhammad Prophet. Every Muslim has faith in Quran. 

4. Bible 

Bible is holy literature of Judaism and Christianity. It provides a divine inspiration to the people. There are two portions of Bible - one is known as Old Testament and the other is New Testament. 

Bible is written in Hebrew and Greek languages. The Historical proofs say that Bible was written in 2nd century AD. This holy book was written by a number of followers and divided into many chapters. 

5. Five Classics and Four Books 

The Five Classics and Four Books are the holy books of Chinese religion named Confucianism. These books were written before 300 BC. These all holy scriptures are written in Chinese language. Confucianism was started by Chinese Philosopher Confuciuos. 

All in all, every holy book says mainly one line 'God is One and we all are his children.