Additional Resources

Crispin, Lisa and Janet Gregory. 2009. Agile Testing: A Practical Guide for Testers and Agile Teams. This is a popular reference about how testing is different for Agile teams and projects.

Forsgren, Nicole, et al. 2018. Accelerate: The Science of Lean Software and DevOps: Building and Scaling High Performing Technology Organizations. This book summarizes current data on the most effective Agile testing practices.

Stuart, Jenny and Melvin Perez. 2018. Retrofitting Legacy Systems with Unit Tests. [Online] July 2018. This white paper addresses specific issues involved in testing legacy systems.

Feathers, Michael. 2004. Working Effectively with Legacy Code. This book goes into more detail on working with legacy systems, including testing.