Book excerpt: The religion of Islam, which was initiated with the preaching of Prophet Muhammad (S.A.W.W) from the city of Makkah, spread enormously in the surrounding regions of Arabia in just twenty-nine years of the Rashidun Caliphate. This book explains to the children about the great teachings of the Prophet Muhammad (S.A.W.W) to his Companions (R.A) which completely transformed their mindset and later how they implemented these teachings to inspire the friends and the enemies altogether. Learn How these Four Rashidun Caliphs became a beacon of leadership and management of the people and the state, creating first time the concept of a welfare state for the contemporary world.