#2
2014 • 1 Reader • 4
#3
1982 • 1 Reader • 111 pages • 4
#4
69 Big Ideas Simply Explained
2013 • 6 Readers • 517 pages • 4
#5
2012 • 26 Readers • 245 pages • 4.2
#6
1997 • 24 Readers • 434 pages • 3.9
#7
2005 • 200 Readers • 336 pages • 3.7
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