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
• A series of Agile Retrospectives Anti Patterns
• Making Agile Retrospective Productive
• Facilitating Effective Agile Retrospectives
• State of Practice in Agile Retrospectives
• 21 Sprint Retrospective Anti-Patterns Impeding Scrum Teams
• Long Blog Post Explaining Agile Retrospectives by Luis Goncalves

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!
• Ideas 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

• Effective Agile Retrospectives by Martin Wickman