In between the third letter of John and the letter of Jude we read ome chapter in Proverbs and three chapters of Amos.
Proverbs 28, more proverbs of Solomon. Wisdom is important, so here are many more proverbs about wisdom and righteousness, and the consequences of the lack thereof.
Amos 7. The prophet had a vision of the Locusts, a vision of fire and a vision of the plumb Line, Amaziah told Amos not to prophesy bad things, but that is why Amos, a poor shepherd was called.
Amos 8. The prophet has a vision of the Summer fruit. That seemed good at first, but it signals the beginning of the destruction of Israel.
Amos 9. The final chapter of Amos depicting the destruction of Israel and the promise that Israel will be restored.