Missed the Amazon discount

Bought this book two days ago for $9.90 and now it is only $7.99. I was caught once before. Wonder how I could tell if Amazon is about to make an offer. Prior to that I had gone over every title in my short list and none of them the price had budged.

This is not about buying meals. I could wait for the price to be better since I don't have time to read many of my books for a while.

Bonhoeffer: Pastor, Martyr, Prophet, Spy

http://www.amazon.com/Bonhoeffer-Pastor-...

From the New York Times bestselling author of Amazing Grace , a groundbreaking biography of Dietrich Bonhoeffer, one of the greatest heroes of the twentieth century, the man who stood up to Hitler. A definitive, deeply moving narrative, Bonhoeffer is a story of moral...