An excerpt from this good article by Barnabas Piper:
“But sometimes I’m not in the mood to read” you say. That just means you’re not reading enough books at once. If you read a biography, a novel or two, a contemporary work of theology or philosophy, a motivational or business book, and a more classic work all at the same time it’s much easier to find the thing you’re in the mood to read. If you’re not in the mood to read what you’re reading go find something else to read. But if you can read, do so.
So what’s the take-away?