"On Reading Old Books"
C. S. Lewis wasn't Reformed, but the guy was one of the most brilliant and articulate scholars of the 20th century. If anyone can teach us about reading old books, he can.
There's a reason Reformed theologians are known for being intimately familiar with all the old books of the Christian tradition.
C.S. Lewis brilliantly articulates the reasons you should too.
Even if you've read his essay before, listen to it again for motivation to keep reading, and to make sure you're still reading the right way!