Every month Christian audio makes available a free audiobook available. This months is Desiring God by John Piper. Its become something of a contemporary theological classic. It can be quite a challenging read (or i guess listen in this case) but it is worth the effort.The .pdf version of the book is also available free from John Pipers website. The .pdf will remain available but the audiobook is only available for this month.
Audiobook free download
.pdf format free download