20 So Ahab sent word throughout all Israel and assembled the prophets on Mount Carmel.

Read 1 Kings 18:20 Using Other Translations

So Ahab sent unto all the children of Israel, and gathered the prophets together unto mount Carmel.
So Ahab sent to all the people of Israel and gathered the prophets together at Mount Carmel.
So Ahab summoned all the people of Israel and the prophets to Mount Carmel.