Critical reviews (by Lutheran pastors and church musicians) of books and other resources for Christian worship, preaching, and church music from a perspective rooted in Holy Scripture, the Lutheran Confessions and good common sense. LHP Quarterly Book Review asks, "Is it worth the money to buy, the time to read, the shelf space to store, and the effort to teach?"
Epiphany: Bo Giertz, The Hammer of God (If you haven't read the new one with the final chapter translated into English, do get yourself a copy. I always felt the book seemed incomplete and abruptly ended. The final chapter is a beautiful enactment of redemption.)
Again, some seasons I read them voraciously, other times I read them lightly, and pick up where I left off the previous year. There is no exam. You will not be tested. But you will find that your sermons are much easier to write if you get some good devotional reading for yourself. For me, these are the top books for various seasons.