This book is a classic, groundbreaking survey of Islamic practices and beliefs. While the book contains only passing mentions of Bahá'ís, it gives a deeper understanding in the Bahá'í Writings and practices. Includes outline by Arjen Bolhuis.
Notes
The uncorrected text of the book, which has been proofread below, can be found on giffordlectures.org (in HTML) and archive.org (other formats).