Want proof that President Bush owns a John Piper book? Here it is. (Note the caption under the photo.)
Update: This story gives more info on the caption (HT: Jeff Brewer):
Not all of Bush's trip was focused on Iraq. When he arrived at Lambert, the president met with Andrew Benecke, the valedictorian from Mary Institute and St. Louis Country Day School, to give him the Presidential Scholar award. Benecke is battling bone cancer.
"I'm still in shock," Andrew said afterward. The Benecke family presented Bush with a copy of "Life as a Vapor: Thirty-One Meditations for Your Faith," by John Piper. The book, based on a message in the New Testament book of James, has personal significance to the Benecke family, said James Benecke, Andrew's father.
"It's our faith that has gotten us through this ordeal," he said. "We want to give the president a token of our gratitude. The message of the book is that every breath is a gift."