Safer Skies: An Accident Investigator on Why Planes Crash and the State of Aviation Safety-
Amazon
From $13.26 (New)
From $13.26 (New)
| Last Seen | |
| Highest | $13.74 Jan 30, '16 |
| Lowest | $2.31 Jan 20, '16 |
| Average | $13.43 (30d avg) $12.30 (90d avg) $10.27 (180d avg) $11.33 (365d avg) $11.67 (Lifetime average) |
| Added | Jan 9, 2015 |
| Last Seen | |
| Highest | $12.57 Feb 4, '15 |
| Lowest | $1.14 Jan 20, '16 |
| Average | $7.82 (30d avg) $7.80 (90d avg) $6.71 (180d avg) $7.49 (365d avg) $7.78 (Lifetime average) |
| Added | Jan 9, 2015 |
| Last Seen | |
| Highest | $15.29 Feb 4, '15 |
| Lowest | $1.55 Jan 20, '16 |
| Average | $7.12 (30d avg) $6.74 (90d avg) $5.25 (180d avg) $6.30 (365d avg) $6.99 (Lifetime average) |
| Added | Jan 9, 2015 |
30 day average: 716,951
90 day average: 500,473