Essential Scrum
Kenneth Rubin
Agile Product Management with Scrum
Roman Pichler
Coaching Agile Teams
Lyssa Adkins
Unlocking Agility
Jorgen Hesselberg
Agile Testing Collection, The
Janet Gregory & Lisa Crispin
Large-Scale Scrum
Craig Larman & Bas Vodde
Improving Agile Retrospectives
Marc Loeffler
Agile Game Development with Scrum
Clinton Keith