Linux Firewalls (3rd Edition)-
Amazon
From $35.48 (New)
From $35.48 (New)
| Last Seen | |
| Highest | $49.79 Sep 14, '15 |
| Lowest | $30.08 Sep 26, '14 |
| Average | $45.80 (30d avg) $46.12 (90d avg) $43.51 (180d avg) $39.76 (365d avg) $36.17 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $35.12 Feb 8, '16 |
| Lowest | $22.97 Apr 26, '15 |
| Average | $33.88 (30d avg) $32.46 (90d avg) $29.40 (180d avg) $27.13 (365d avg) $27.70 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $31.48 Aug 16, '15 |
| Lowest | $1.58 May 29, '15 |
| Average | $3.43 (30d avg) $4.45 (90d avg) $5.09 (180d avg) $7.39 (365d avg) $7.89 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 905,377
90 day average: 876,746