<human>:  Why did the author call the book, ‘Leviathan’?
<bot>: Leviathan is the name of a sea creature in the Bible. The Leviathan is described as a huge, terrifying, fire breathing monster that lives in the sea. The Leviathan is also mentioned in the Book of Job, and in the book of Isaiah. The name Leviathan is derived from the Hebrew word for “beast.”