Behemoth, full title Behemoth: the history of the causes of the civil wars of England, and of the counsels and artifices by which they were carried on from the year 1640 to the year 1660, also known as The Long Parliament, is a book written by Thomas Hobbes discussing the English Civil War. Published posthumously in 1681, it was written in 1668, but remained unpublished at the request of Charles II of England.