Leading the Israelites into the Promised land.
Here are numerous reasons for choosing Joshua as the haftarah for Simchat Torah.
A passage from the Prophets recited after Torah reading.
In Isaiah 40-66, the prophet(s) built on the theological paradigms of Isaiah ben Amoz (Isaiah 1-39).
They struggled to reconcile the words of earlier prophets.
Isaiah's greatness lies not only in his ethical teachings, but in his central involvement--and prophetic intervention--in the political events of his day.
Micah spoke out against the oppression of the people by both spiritual and secular leaders.