- The Picture History of Great Inventors
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Amazon
From $12.59 (New)
From $12.59 (New)
| Last Seen | |
| Highest | $12.59 Dec 7, '13 |
| Lowest | $11.18 Sep 10, '13 |
| Average | $11.77 (Overall average) |
| Added | Sep 10, 2013 |
| Latest | $67.50 20 hrs ago |
| Highest | $271.48 May 6, '14 |
| Lowest | $4.09 Oct 16, '15 |
| Average | $72.32 (30d avg) $90.52 (90d avg) $73.06 (180d avg) $58.05 (365d avg) $84.62 (Lifetime average) |
| Added | Sep 10, 2013 |
| Latest | $17.00 20 hrs ago |
| Highest | $74.09 May 3, '14 |
| Lowest | $0.39 Sep 10, '14 |
| Average | $6.25 (30d avg) $15.60 (90d avg) $19.21 (180d avg) $17.59 (365d avg) $24.47 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 608,888
90 day average: 814,386