A Student's Guide to History-
Amazon
From $38.49 (New)
From $38.49 (New)
| Last Seen | |
| Highest | $42.42 Feb 1, '16 |
| Lowest | $28.89 Nov 5, '13 |
| Average | $39.27 (90d avg) $37.92 (180d avg) $36.47 (365d avg) $35.52 (Lifetime average) |
| Added | Sep 9, 2013 |
| Last Seen | |
| Highest | $37.96 Dec 17, '14 |
| Lowest | $11.10 Mar 21, '16 |
| Average | $22.80 (30d avg) $25.40 (90d avg) $26.83 (180d avg) $27.35 (365d avg) $28.23 (Lifetime average) |
| Added | Sep 9, 2013 |
| Last Seen | |
| Highest | $41.23 Sep 11, '15 |
| Lowest | $7.37 Mar 9, '16 |
| Average | $12.22 (30d avg) $17.07 (90d avg) $17.96 (180d avg) $20.96 (365d avg) $22.72 (Lifetime average) |
| Added | Sep 9, 2013 |
30 day average: 181,456
90 day average: 84,901