User Story Mapping: Discover the Whole Story, Build the Right Product: Jeff Patton, Peter Economy: 9781491904909: Amazon.com: Books
User Story Mapping - Jeff Patton & Associates
User Story Essentials (PDF)
Story Mapping (PDF)
recomended by: Allen Holub – Agile Process and Architecture, Training and Consulting
slides: User Story Mapping, Discover the whole story @SlideShare