
- Natural Bridges: A Guide to Interpersonal Communication
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Amazon
From $66.70 (New)

From $66.70 (New)

| Latest | $66.70 Mar 30, '16 |
| Highest | $68.80 Mar 7, '16 |
| Lowest | $46.82 Jan 25, '14 |
| Average | $67.74 (30d avg) $62.59 (90d avg) $59.79 (180d avg) $57.77 (365d avg) $55.34 (Lifetime average) |
| Added | Jan 14, 2014 |
| Latest | $42.11 Mar 30, '16 |
| Highest | $64.79 Feb 11, '16 |
| Lowest | $19.95 Aug 10, '14 |
| Average | $59.34 (30d avg) $57.65 (90d avg) $50.76 (180d avg) $46.65 (365d avg) $45.80 (Lifetime average) |
| Added | Jan 14, 2014 |
| Latest | $35.19 Mar 30, '16 |
| Highest | $61.12 Feb 4, '16 |
| Lowest | $10.59 Aug 3, '15 |
| Average | $39.96 (30d avg) $42.92 (90d avg) $37.20 (180d avg) $35.21 (365d avg) $36.03 (Lifetime average) |
| Added | Jan 14, 2014 |
30 day average: 428,953
90 day average: 275,763