It is becoming more common for Christian publishers to put books on-line to make them more generally available to readers. For example, God is the Gospel, by John Piper, comes with a free PDF upon purchase (if you buy it from Crossway).
Another example of an even more generous offer is Wayne Grudem’s wonderful (and massive) tome Evangelical Feminism and Biblical Truth. It is available in its entirety for free as a PDF courtesy Multnomah.
Tonight I learned that Andy Farmer’s excellent book The Rich Single Life is available as a free PDF. Andy is a pastor at Covenant Fellowship Church in Philadelphia, PA, where he has been on staff since January 1993. His primary responsibilities include pastoring the single adults and overseeing the music and worship ministry of the church. His book is an excellent read on how to maximize one’s single years to the glory of God and the development of one’s soul.
(HT: Chizadek)