
- Ultimate Guide to Optimizing Your Website (Ultimate Series)
-
Amazon
From $17.35 (New)

From $17.35 (New)

| Latest | $17.35 Mar 26, '16 |
| Highest | $18.49 Feb 8, '16 |
| Lowest | $13.17 Jul 26, '15 |
| Average | $17.46 (30d avg) $17.80 (90d avg) $17.57 (180d avg) $16.99 (365d avg) $16.78 (Lifetime average) |
| Added | Apr 11, 2014 |
| Latest | $10.37 Mar 26, '16 |
| Highest | $13.34 Jul 18, '14 |
| Lowest | $9.18 Jul 30, '15 |
| Average | $11.79 (30d avg) $11.77 (90d avg) $11.80 (180d avg) $11.56 (365d avg) $11.75 (Lifetime average) |
| Added | Apr 11, 2014 |
| Latest | $8.28 Mar 26, '16 |
| Highest | $13.46 Feb 28, '15 |
| Lowest | $4.76 Mar 15, '16 |
| Average | $4.91 (30d avg) $7.94 (90d avg) $9.21 (180d avg) $10.28 (365d avg) $11.55 (Lifetime average) |
| Added | Apr 11, 2014 |
30 day average: 517,986
90 day average: 676,010