Seth Godin summarizes several of his systems from previous books (including nods to Purple Cow, All Marketers are Liars, The Dip, and Tribes) into a an overall vision for what great marketing looks like. He sees marketing as an aspirational exercise, and this book is a great primer for how to understand the its role and implementation in your business.
Be authentic. Be in service. Embrace your customer and build strategies around them. This is Godin’s message in This is Marketing, and serves as a summative overview of many of Seth’s core systems and theses.