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#2
2008 • 2 Readers • 326 pages • 3.5
#1
2002 • 95 Readers • 336 pages • 3.6
2021 • 4 Readers • 320 pages • 3
2014 • 1 Reader • 326 pages • 3
2020 • 1 Reader • 304 pages
Element Encyclopedia
2007 • 2 Readers • 569 pages