David Astels

Test Driven Development: A Practical Guide (Coad) by David Astels Prentice Hall Paperback 2 July 2003 from£N/A | RRP: ~~£31.99~~
The Practical Guide to EXtreme Programming (Coad) by David Astels,Granville Miller,Miroslav Novak Prentice Hall Paperback 8 February 2002 from£25.99 | RRP: ~~£23.99~~
The RSpec Book: Behaviour Driven Development with RSpec, Cucumber, and Friends by David Chelimsky,Dave Astels,Zach Dennis,Aslak Hellesoy Pragma Paperback 15 December 2009 from£N/A | RRP: ~~£29.99~~