TY - BOOK AU - Harari, Yuval Noah TI - 21 Lessons for the 21st Century SN - 9781787330672 U1 - 909.83 HAR PY - 2018/// CY - London PB - Penguin Random House KW - Social change KW - History, Modern -- 21st century KW - Civilization, Modern -- 21st century ER -