Desiring GOD is having a Christmas sale, which you can visit here.  On the page they have a deal where you can buy four Piper books for..............$10!!!  Which books? 

1. Finally Alive
2. Don't Waste Your Life
3. This Momentary Marriage
4. Spectacular Sins

And there are many many more great bargains to be had there. 

Ichabod Spencer in his book "A Pastor's Sketches" does an excellent of job of portraying the sweetness and preciousness of the truth of Divine Election:

The grand trial of a life of religion is a trial of the heart. We have sins, we have weaknesses and temptations, which tend to a dreadful discouragement. Sin easily besets us. We easily wander from God. Holiness is an up-hill work. Our feet often stagger in the path of our pilgrimage, and tears of bitterness gush from our eyes, lest such weak, and tempted, and erring creatures should never reach heaven. Devils tempt us. The world presents its deceitful allurements, and more deceitful and dangerous claims. What shall cheer us when our heart sinks within us? Whither shall we fly for comfort, when our hearts are bleeding, when our sins are so many, when our gain in holiness is so little, when our light goes out, and the gloom of an impenetrable midnight settles down upon our poor and helpless soul? We cannot, indeed, mount up to the inner sanctuary of God, open the seven-sealed book, and read our names recorded in it by the pen of the Eternal. But we can know, that such a book is there; and that the pen of our Father has. filled it with his eternal decrees, not one of which shall fail of accomplishment, as surely as his own throne shall stand. And when we find in ourselves, amid our tearful struggles, even the feeble beginnings of holiness, we know that God has commenced his work for us,—a work which he planned before the world was ; and that he who has ' begun a good work in us, will perform it until the day of Jesus Christ,' carrying into effect his eternal plan. Just as well as we know our likeness to God, we know our election of God. We know that our holiness is his work, a work which he purposed from the beginning. If he had purposed it but just as he begun it,—if it was a work undertaken from some recent impulse, then we should have good reason to fear, that some other impulse would drive him to abandon it. But when we know it forms a part of his eternal counsels, and is no sidework, no episode, no interlude, or sudden interposition not before provided for : then we are assured that God is not going to forsake us;—but deep as is our home-bred depravity, and many and malignant as are our foes, we are cheered with the assurance, that God will bring us off victorious, and ' the purpose according to election will stand.' (238-239).