"Tablets of Bahá'u'lláh Revealed after the Kitab-i-Aqdas" by Bahá'u'lláh is a collection of writings published in 1978. These tablets were written by the founder of the Bahá'í Faith during the final years of his life, from 1873 to 1892. The collection includes pivotal texts addressing themes of global unity, religious tolerance, and social reform. Among them are the Tablet of Carmel, which establishes the Bahá'í World Centre, and proclamations calling for peace, universal language, and the abandonment of religious warfare.
Wikipedia page about this book: en.wikipedia.org/wiki/Tablets_of_Bah%C3%A1%CA%BCu%27ll%C3%A1h_Revealed_After_the_Kit%C3%A1b-i-Aqdas