Therefore, to him who knows to do good and does not do it, to him it is sin.
In light of the above verse, I am compelled to tell you something I would rather keep to myself. ChristianAudio is not giving away just one audio book this month, but two. Bonhoeffer's classic The Cost of Discipleship and Piper's Fifty Reasons Jesus Came To Die.
Here's what you do:
1. Go to the website
2. Click 'add to cart'
3. Follow the steps through check out. It seems like you're going to be charged. But then you enter the code in the next step.
4. Enter MAR2010 when prompted to receive this month's free download.
Now go grow.