Buch Jake Knapp,John Zeratsky,Braden Kowitz "Sprint"

From three design partners at Google Ventures, a unique five-day process--called the sprint--for solving tough problems using design, prototyping, and testing ideas with customers.
"Every business leader I know worries about the same thing: Are we moving fast enough? The genius of Jake Knapp's Sprint is its step-by-step breakdown of what it takes to solve big problems and do work that matters with speed and urgency. A sprint is a cure for what ails companies in an ever faster world."