The Letter of the Prophet to the Emperor of Byzantium

The background and context in which the letter was written the message it contained and how it was received
The portents and news of the Prophet of Islam that came to Heraclius and his checking of the author of the letter’s credentials
The acknowledgement that Muhammad was a prophet the invitation made by Heraclius to his subjects and their reaction to it A discussion of some legends concerning how the letter was handed down as an heirloom