Effort and value

Jason Jaggard Beyond High Performance: What Great Coaches Know About How the Best Get Better

Seth Godin This Is Strategy: Make Better Plans (Create a Strategy to Elevate Your Career, Community & Life)

Lawrence Yeo The Arc of the Practical Creator

Dave Klinex.com

Oliver Burkeman Meditations for Mortals: Four Weeks to Embrace Your Limitations and Make Time for What Counts