The book Altruism by Matthieu Ricard is perfect for the 21st century. I love the idea of associating kindness and compassion to strength. Very well documented, Altruism proves that it is the way of the future on the planet.
Collaboration being the trend of the new era also reminds me of Blue ocean strategy, as opposed to the red blood ocean of competition.
Matthieu Ricard also wrote Happiness:
And Why meditate?: