GLAS Vision LibraryShop the Library Visual download Categories: Select a Category Visual download Enviroment Growth Relationships Joy Emotions fulfilment energy Motivation and drive External World, Impact, Opportunities and Brand Action, Doing, Results and Productivity Relating, Culture, Communication and People Purpose and Meaning Identity and Self Leadership, Leading and Strategy Invisible Influence (Jonah Berger) £4.00 Deep Work (Cal Newport) £4.00 Essentialism (Greg McKeown) £4.00