De-Escalate: How to Calm an Angry Person in 90 Seconds or LessAudiobookDe-Escalate: How to Calm an Angry Person in 90 Seconds or LessbyDouglas E. NollRating: 5 out of 5 stars5/5Save De-Escalate: How to Calm an Angry Person in 90 Seconds or Less for later