A book in English provides a brief explanation of Islam as the only religion that Allah accepts. It also takes a look at other religions to refute their principles and bases like the claimed divinity of the Prophet Jesus but shows his mother's noble prestige. In addition, it confirms the universal message of Islam and the wisdom of creating humanity and jinn.
Indeed a true Muslim feels great joy when someone accepts Islam, for he wishes well for others and wants them to live as he does himself: a life of comfort and delight with spiritual joy and mental stability. This can only result from implementing the teachings of Islam. This is what mentioned in this book.
A book in English makes an introduction to Islam, the complete and final Message to humankind. It defines its terms and teachings and gives an advice to the Muslims and non-Muslims on following the path of the righteous Muslim predecessors.