By night or by day it will not be extinguished; to time indefinite its smoke will keep ascending.” (Isaiah 34:9, 10) The land of Edom is thus portrayed as becoming so parched that it was as if its torrent valleys were running with pitch and as if its dust were sulphur, and then these combustible substances were set afire.​—Compare Revelation 17:16.

11, 12. From the prophetic description given at Isaiah 34:10-15, what would become of the land of Edom, and how long would such state of the land continue?

¹¹ Isaiah’s prophecy continues: “From generation to generation she will be parched; forever and ever no one will be passing across her.

This parched state of the land was to continue, as Isa 34 verse 10 says, “forever and ever.” There was to be no restoration of its former residents.​—Obadiah 18.

13. What is foretold for Christendom in “the book of Jehovah,” and what, specifically, is this book?

¹³ What a terrible plight this foreshadowed for the modern-day counterpart of Edom​—Christendom!