| Image | Title | Price | Postage | Bids | Time Left |
![Missing Formula (The) by Ann [Mildred Wirt Bensen] Wirt](https://i.ebayimg.com/thumbs/images/g/jt4AAOSwhI1nWbBF/s-l140.jpg) | by Ann [Mildred Wirt Bensen] Wirt | HC | Acceptable | $25.44 | $11.74 | ![Buy Missing Formula (The) by Ann [Mildred Wirt Bensen] Wirt](/images/bin.gif)
| 4d 22h 33m |
 | | $20.66 | $34.85 |
| 4d 22h 55m |
 | by D. R. Bensen | PB | Good | $11.23 | $7.45 |
| 5d 1h 22m |
 | | $10.93 | Free |
| 5d 4h 2m |
 | by Bensen, Joe; Green, Randall | PB | Good | $56.33 | $16.59 |
| 5d 6h 15m |
 | | $71.50 | $15.89 |
| 5d 8h 33m |
![Swashbuckler [ Bensen, D. R. ] Used - Good](https://i.ebayimg.com/thumbs/images/g/7ywAAOSwT6NmGIOY/s-l140.jpg) | | $10.04 | $30.49 |
| 5d 8h 44m |
 | | $6.03 | Free |
| 5d 10h 37m |
 | | $27.86 | $4.99 |
| 5d 10h 43m |
 | | $31.76 | $23.83 |
| 5d 10h 43m |
 | | $6.01 | Free |
| 5d 11h 59m |
 | | $9.99 | $5.00 | 0 | 5d 12h 32m |
 | Free US Delivery | ISBN:1604501359 | $13.36 | $22.25 |
| 5d 12h 38m |
 | | $5.09 | Free |
| 5d 13h 23m |
 | | $5.95 | $10.30 |
| 5d 13h 24m |
 | | $6.83 | Free |
| 5d 13h 24m |
 | | $20.50 | $10.95 |
| 5d 14h 2m |
 | | $36.06 | Free |
| 5d 14h 50m |
 | | $9.53 | $33.75 |
| 5d 15h 33m |
 | | $32.82 | $39.76 |
| 5d 16h 51m |
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