
Sprint: How to Solve Big Problems and Test New Ideas in Just Five Days

The sprint is GV’s unique five-day process for answering crucial questions through prototyping and testing ideas with customers.
Jake Knapp • Sprint
The Service Startup: Design Thinking gets Lean: A practical guide to Service Design Sprint
amazon.com
The goal of the design sprint is to help companies efficiently answer critical questions by requiring executives to dedicate five consecutive days of (nearly) uninterrupted concentration to the problem at hand.