Business & work : Deep Work - Cal Newport, Anti fragile - Nassim Taleb CNV : Nonviolent Communication: A Language of Life. Marshall Rosenberg "spiritual" or wisdom related : Tao Te King, Marcus Aurelius, the Gospel, Meditation on the Tarot classics : Plato, Homer, and Peloponese's war by Thucydides. And I couldn't explain why but I re-read Into thin air by Krakauer every year.