Critical Mass: How One Thing Leads to Another-
Amazon
From $7.82 (3rd Party New)
From $7.82 (3rd Party New)
| Last Seen | |
| Highest | $35.00 Apr 28, '15 |
| Lowest | $5.50 Jul 7, '15 |
| Average | $6.00 (30d avg) $6.01 (90d avg) $10.55 (180d avg) $14.89 (365d avg) $15.75 (Lifetime average) |
| Added | Aug 24, 2014 |
| Last Seen | |
| Highest | $3.00 Dec 15, '15 |
| Lowest | $0.01 Nov 12, '15 |
| Average | $0.40 (30d avg) $0.56 (90d avg) $0.76 (180d avg) $0.50 (365d avg) $0.43 (Lifetime average) |
| Added | Aug 24, 2014 |
30 day average: 1,058,958
90 day average: 1,004,978