The Knack: How Street-Smart Entrepreneurs Learn to Handle Whatever Comes Up
URL:
http://www.amazon.com/Knack-Street-Smart-Entrepreneurs-Handle-Whatever/dp/B002BWQ56S
Comments:
useful description of how to work backwards from what you will count as success (x sales) to what you need (y sales visits... but you only have 0.3 y hours in the day)
Start-ups who found this useful:
Patients Know Best