This book just released:
David Powlison. Good and Angry: Redeeming Anger, Irritation, Complaining, and Bitterness. Greensboro, NC: New Growth, 2016. 
Powlison, the Yoda of biblical counseling, penetratingly explains what makes anger good or sinful and what to do about it.
Check out this 33-page PDF sample, which includes the endorsements, table of contents, introduction, and first chapter.
