Are Testers eXtinct? How Can Testers Contribute to XP Teams? - Ken Auer; Ron Jeffries; Jeff Canna; Glen B. Alleman; Lisa Crispin; Janet Gregory 002 (XP/Agile Universe, 2002)

Is XP Still Relevant? - Pete McBreen; Dave Astels; Janet Gregory 002; Daniel H. Steinberg; Lisa Crispin; Jim Highsmith; Robert C. Martin (XP/Agile Universe, 2004)