There is a new video from Bret Contreras talking about power production - physical traits, physiology, and training.
Maximum Power Production Presentation
He may have linked this elsewhere, but I saw it as a result of subscribing to his Youtube channel.
Why should I watch this? I think it's worth checking out if you engage in either a power-related sport (in other words, most of them) or train folks that do. You'll understand what elements make up power production.
What isn't it about? It's not a training program. He's not going to tell you how to optimize power production. But you will learn about what it consists of, which will help you understand what you need to work on.
It's all of 10 minutes, and it's succinct and easy to follow.