Harari, Yuval N. 21 lessons for the 21st century : Civilization, Modern 21st century / Harari, Yuval N. - 374 p. : ill. ; 23 cm. ISBN: 9780525512172 Subjects--Topical Terms: Civilization, Modern -- 21st centuryTechnology and civilizationScience and civilization Dewey Class. No.: 909.83