Introduction

This episode of the coop caste is a little bit of an unexpected one. I didn't plan to do this, but in response to the overwhelming response that i have received from my recent book, training essentials for ultraraning,. The second edition has been a project that has caused me any number of gray hairs and a lot of sleepless s. All those charts and figures and tables are available four free as a digital down load if you buy the audio book.