The Kitāb al-aqdas is a holy book in which religion?

Question

Which holy book consists of two parts, the Mishnah and the Gemara, the latter of which differs between the Jerusalem and Babylonian versions ?

Answer 1

Baha'i
The book is one of the most important books written by Baha'u'llah who founded the faith in the latter part of the 19th century.