| eBay (last 12 months) |
| Auctions: | | 54 |
| Price Range: | | $0.09 - 0.09 |
| |
| Craigslist (last 12 months) |
| Classifieds: | | 19 |
| Price Range: | | $0.05 - 0.06 |
| |
| Amazon Used (last 12 months) |
| Auctions: | | 94 |
| Price Range: | | $0.09 - 0.09 |
| |
| ZooScape (last 12 months) |
| Auctions: | | 0 |
| Price Range: | | N/A |
| |
| |
| Google listings (non-affiliate) | | 125 |
| MSN listings (non-affiliate) | | 39 |
| Yahoo listings (non-affiliate) | | 81 |
| |
ISBN: 0028055969
