Coming out of the recent The Gospel Coalition conference, Zondervan is selling a number of their ebooks at greatly reduced prices! Among those books on sale are a few from Dr. Horton:

For Calvinism $3.99
Pilgrim Theology $7.99
A Place for Weakness $3.99

The sale goes through April 22, although some retailers might continue through April 29 so take advantage of this offer soon! For more information click here