http://en.wikipedia.org/wiki/Agile_software_development#Agile_methods http://en.wikipedia.org/wiki/Agile_software_development#Agil... You don't really need a b

http://en.wikipedia.org/wiki/Agile_software_development#Agile_methods http://en.wikipedia.org/wiki/Agile_software_development#Agil... You don't really need a book. The Agile page on Wikipedia and links to the descriptions of the different flavors are all you need.