It's unknown who wrote the Book of Malachi, which was written 100 years after the Israelites returned to their land after the Babylonian exile.

Malachi, a pivotal text, was penned 400 years prior to the advent of the New Testament, marking a significant period in biblical history.

The Book of Malachi is the last book of the Old Testament, the final book of the 12 minor prophets that started with the Book of Hosea.

In Malachi, we will see six arguments or claims by God, and the Israelites disagree with or question God's responses. These arguments are in chapters 1-3.