00511nam a2200157 a 450000500170000000800410001702000180005804100080007608200080008410000190009224501250011126400520023630000270028870000200031570000180033520260717093338.0260717s2018    ii            000 0 eng d  a9780393284133  aeng04a9091 aTignor, Robert10aWorlds together, worlds apart : a history of the world from the beginnings of humankind to the present /cTignor, Robert 1aNew York :bW.W. Norton & Company, Inc.,c2018.  a859 p. : ill. ; 27 cm.1 aAdelman, Jeremy1 aAron, Stephen