TY - BOOK AU - Harari,Yuval N. TI - 21 lessons for the 21st century: Civilization, Modern 21st century SN - 9780525512172 U1 - 909.83 PY - 2018/// CY - London PB - Penguin Random House KW - Civilization, Modern -- 21st century KW - Technology and civilization KW - Science and civilization ER -