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Riley reads this as a strong value signal: the price is standing out favorably against comparable active listings.
Confidence Level Low: early signal only, with comp quality not yet strong enough for a high-conviction read.
Comparable active listings for this item query in Textbooks are currently $10.12–$119.95 (median $45.00, based on 24 active comps).
The range is wide - some cheap units, some premium - so there is no clean verdict here. Riley reads this listing as priced below the midpoint by about -78%, which is worth knowing, but use it as one signal, not the final word.
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| Release Year | 2007 |
| Book Title | Elementary Linear Algebra (2nd Edition) |
| ISBN | 9780131871410 |
| Subject Area | Mathematics |
| Publication Name | Elementary Linear Algebra |
| Publisher | Prentice Hall PTR |
| Item Length | 10.3 in |
| Subject | Algebra / Linear, General |
| Publication Year | 2007 |
| Type | Textbook |
| Format | Hardcover |
| Language | English |
| Item Height | 1.2 in |
| Author | Arnold J. Insel, Stephen H. Friedberg, Lawrence E. Spence |
| Features | Revised |
| Item Weight | 48.7 Oz |
| Item Width | 8.1 in |
| Number of Pages | 656 Pages |