External Resources

Books
 * Agile Retrospectives: Making good Teams Great by Derby and Larson
 * Project Retrospectives: a Handbook for team reviews by Norman L Kerth
 * The Retrospective Handbook by Patrick Kua
 * Innovation Games by Luke Hohmann (and his book of the same name)
 * Getting Value out of Agile Retrospectives by Luis Gonçalves and Ben Linders: download from InfoQ or LeanPub, Paperback Edition
 * Retromat Print Edition Fun printed version of the online "Retr-O-Mat"
 * Leanpub bundle with six ebooks on Agile Retrospectives
 * Become a Retrospective Rockstar, 21 agile experts share their best tips
 * Agile Retrospectives: 29 tips for continuous improvement with Scrum by Paul VII
 * More books on Agile Retrospectives

Articles
 * Refactoring Your Development Process with Retrospectives (Rachel Davies)
 * News, articles and presentations on retrospectives from InfoQ
 * Seven Steps to Remarkable Retrospectives
 * Agile Retrospectives: Why You Would Do Them?
 * Agile Retrospectives - More than just facts
 * Sustainable Continuous Improvement Using Agile Retrospectives
 * Making Agile Retrospective Productive
 * Facilitating Effective Agile Retrospectives
 * State of Practice in Agile Retrospectives
 * 21 Sprint Retrospective Anti-Patterns Impeding Scrum Teams

Blogs / Websites


 * "Retr-O-Mat" - Planning your next retrospective? Get started with a random plan, tweak it, print it and share the URL. Or just browse around for new ideas! » plans-for-retrospectives.com
 * Retrospective Exercises Toolbox - Use this toolbox with retrospective exercises to design your own valuable agile retrospectives!
 * Blog for Agile Retrospectives by Luis Goncalves
 * Blog für Retrospektivenliebhaber by Marc Löffler (in German) and the book (to be published) "Retrospectiven in der Praxis"
 * Getting business value out of Agile Retrospectives
 * Introspection And Retrospectives and Restrospective Techniques
 * retrospectives.com
 * retrospectives.eu
 * The Art of the Agile Retrospective by J.D. Meier
 * Scrum Patterns for Process Improvement
 * Some Patterns for Iteration Retrospectives
 * Agile Retrospective Anti Patterns
 * Do's and Don'ts of Agile Retrospectives
 * Retrospectives in Remote Teams
 * Does a Scrum Team Need a Retrospective Every Sprint?
 * Doing a retrospective when you can’t get the team to meet
 * How to Fix Your Agile Scrum Retrospective Meetings
 * Non-verbal Exercises for Agile Retrospectives

Video and Presentations
 * Video: Retrospectives Presentation at San Francisco Agile User Group
 * Video: Agile Retrospectives - Making Good Teams Great!
 * Sustainable Improvement through Retrospectives
 * A guide for Preparing and Facilitating Retrospectives
 * Spicing up Agile Retrospectives slides

Online Training
 * Free 10 Days Agile Retrospectives Program by Luis Goncalves
 * Effective Agile Retrospectives by Martin Wickman