Creating Literacy Instruction: For All Students
by Thomas Gunning
Great price
$103.27 is 26% below the $140.68 it normally sells for, and the lowest we've seen in 107 days.
- Now
- $103.27
- Normally
- $140.68
- Lowest in 107 days
- $103.27(Nov 10)
- Highest
- $157.17
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
The listing's crossed-out price
Holds upThe listing shows
crossed out: List $126.65 −18%
Against its normal price
−26% vs $140.68
List $126.65 (−18%) holds up: today's price is 26% below normal.
The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →
Price history
Tracked since Jul 26 · 107 days · 1,726 price changes
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $140.68
- 5% or more below normal
How often does it drop below normal?
In the 107 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 10 times, typically lasting about 1 day. It's below normal right now. Brief dips under an hour (6) aren't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$103.27
textbooks_sourceSeller rating 83% of 134,410
Used from
$39.67
IndianaBookCompanySeller rating 76% of 30,207
11 of 35 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| IndianaBookCompany | Used - Acceptable | $39.67 | No | 76% of 30,207 |
| The Bryan Company | Used - Good | $39.68 | No | 91% of 188 |
| ZT's Books | Used - Good | $42.95 | Yes | 93% of 14 |
| Bookenvy | Used - Good | $46.75 | No | 94% of 150 |
| H&H Federation | Used - Acceptable | $47.75 | Yes | 99% of 130 |
| J Products Store | Used - Acceptable | $48.00 | Yes | 100% of 447 |
| CaliberWare | Used - Good | $56.81 | Yes | 99% of 222 |
| LuminaryBooks | Used - Good | $56.83 | No | 73% of 344 |
| BooksRun | Used - Good | $61.69 | No | 95% of 22,189 |
| firstclassbooks | Used - Acceptable | $62.11 | No | 82% of 112,898 |
Showing the 10 lowest of 11 offers.
Amazon lists 35 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/0134986482 \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/0134986482", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/0134986482",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "0134986482",
"title": "Creating Literacy Instruction: For All Students",
"image": "https://m.media-amazon.com/images/I/61us9Gy2oDL._AC_SL500_.jpg",
"currency": "USD",
"category": "Book",
"category_label": "Books",
"in_stock": true,
"price": {
"current_cents": 10327,
"reference_cents": 14068,
"discount_pct": 26.59,
"is_deal": true,
"observed_at": 1794415529339,
"changed_at": 1794338035263,
"checked_at": 1794415529339,
"source": "stored"
},
"verdict": {
"label": "great",
"text": "Great price",
"pct_vs_normal": 26.59,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Great price. $103.27 is 26% below the $140.68 it normally sells for, and the lowest we've seen in 107 days."
},
"listing_claim": {
"label": "List:",
"listing_reference_cents": 12665,
"claimed_pct": 18,
"real_pct": 26.59,
"class": "holds_up",
"observed_at": 1794364529726
},
"stats": {
"min_cents": 10327,
"max_cents": 15717,
"avg_cents": 13689,
"history_days": 107,
"price_levels": 1740,
"price_changes": 1726,
"distinct_prices": 37,
"lowest_at": 1794338035263
},
"history": [
{
"price_cents": 10894,
"from": 1794164052270,
"to": 1794167127444
},
{
"price_cents": 10707,
"from": 1794173413620,
"to": 1794173413620
},
{
"price_cents": 10597,
"from": 1794174611552,
"to": 1794263241178
},
{
"price_cents": 10487,
"from": 1794264484648,
"to": 1794320634721
},
{
"price_cents": 10327,
"from": 1794338035263,
"to": 1794415529339
}
],
"last_seen": 1794415529339
}
// … 1,735 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.