"The Preaching of Islam: A History of the Spread of the Muslim Faith" is a study written by the famous British historian and thinker Sir Thomas Walker Arnold. In his work, he examines the historical context and ways of spreading Islam in different countries and eras. The author examines the key aspects of the preaching of Islam, interpreting them as an important element of the development of the civilization process. This book will be a useful resource for anyone interested in the history of religion and its influence on world history.