One Common Faith
From Bahaipedia

One Common Faith is a short book prepared at the World Centre in 2005,[1] and published under the imprint Bahá'í World Centre. It explains the role of the Bahá'í Faith as a world religion.
One Common Faith is a short book prepared at the World Centre in 2005,[1] and published under the imprint Bahá'í World Centre. It explains the role of the Bahá'í Faith as a world religion.