This is a summary of jurisprudence, coupled with its evidence from the Book and the Sunnah, which was delivered by Saleh bin Fawzan on the radio in episodes, and there were repeated requests from those who heard it and insisted on him to print it, in order to continue to benefit from it, God willing, and he did not intend to do so when he prepared it, but in response to the desire of many, he reviewed it, arranged it, and submitted it for printing.

The book deals with the various religious sects, and also discusses the monotheistic religions and talks about some of their sects, and the author has taken care in his book to list the pagan beliefs and before the advent of Islam among the Arabs and the Roman philosophers, and one of the topics that the author did not overlook in the book is also the beliefs and religions of the Indian sages and others.