Five miles at AM cross country practice. Some barefoot running and 4 barefoot striders.
Here's a partial list of running and coaching related books I read over and over again...
The Talent Code and The Little Book of Talent by Daniel Coyle
Running and Being by George Sheehan
Run: The Mind-Body Method of Running By Feel by Matt Fitzgerald
Road To The Top by Joe Vigil
Anything by or about John Wooden.