They had no power to flee this way or that way - They were in utter consternation; they saw that the city was taken, they found themselves in the midst of their foes; that their wives, children, and property, had fallen a prey to their enemies, in consequence of which they were so utterly panic-struck as to be incapable of making any resistance.

Joshua 8:20 When the men of Ai turned back and looked, behold, the smoke of the city ascended to the sky, and they had no place to flee this way or that, for the people who had been fleeing to the wilderness turned against the pursuers.

Joshua 8:22 The others came out from the city to encounter them, so that they were trapped in the midst of Israel, some on this side and some on that side; and they slew them until no one was left of those who survived or escaped.

Formation and History of the Hebrew Canon.
1. The Greek word canon (originally a straight rod or pole, measuring-rod, then rule) denotes that collection of books which the churches receive as given by inspiration of God, and therefore as constituting for them a divine rule of faith and practice. To the books included in it the term canonical is applied. The Canon of the Old Testament, considered in reference to its constituent parts, was formed gradually; formed under divine superintendence by a process of growth extending through …
E. P. Barrows—Companion to the Bible