673: A.J. Jacobs | It's All Relative

674: AoC Toolbox | What to Do If You're Stuck

Fan Mail Friday #143 | Sidekicks and Socialites

675: Justin Ramsdell | Rotten Psychology

676: Susan David | Emotional Agility

Fan Mail Friday #144 | Cracking Knuckles with Brutal Linda

677: Kevin Harrington | As Seen on TV

678: Meg Jay | Supernormal Resilience

Fan Mail Friday #145 | Less Brutal

679: Michele Rigby Assad | My Secret Life in the CIA