Sefer Ovadya in its entirety is comprised of a prophecy directed at the nation of Edom, rebuking them for various offenses they had perpetrated against the Jewish nation during the destruction of the first Temple. Through a close reading of the book, as well as by referencing many other sources throughout the Tanach, we can appreciate how crucial this prophecy is for understanding the events that are to unfold in the future of the Jewish nation. 

Additional References
Bereishit 25, 25- 26; Mishlei 13, 15-16; 12 ,23- 35; Tehillim 41, 10-11; Yirmiyahu 49, 7-10; Yoel 4, 1-3; Eicha 4, 18-22; Yechezkel 35, 1-4; Malachi 1, 1-3
Prophecy
Edom
Destruction of the First Mikdash
Tisha B'Av Study
Yemei Iyun Study Days
Yemei Iyun be-Tanakh - תש"ע