"The Kitab-i-Aqdas: The Most Holy Book" is a hardcover edition of Baha'u'llah's sacred text, published in 1992 in the United States. This nonfiction book, written in English, is a fundamental work for adherents of the Bahai faith. With a price of $175.47, this book is a valuable and important addition to any religious library, offering insight and guidance on spiritual principles and practices.