How Much Is a The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom Worth?

Based on 1 independent scans and 15 recent sold comparables, a The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom is typically worth around $8. Recent sold prices ranged from $4 to $17 with a median of $5.
Get a value for your specific condition in 30 seconds
More listings of this item





Images from current eBay listings of this item.
Sold Range
$4.30 – $16.54
15 recent sales
Sold Median
$5.00
Realistic sale price
Asking (Active)
$8.52
38 live listings
AI Estimate
$8.00
Avg of 1 scans
Market Insight
Live listings are running 70% above what items actually sell for — sellers are asking $9 but completed sales are landing closer to $5. Price in line with sold comps to move it.
Recent Sold Comparables
What this item has actually sold for, pulled from public completed listings.
| Title | Sold |
|---|---|
| Happiness Hypothesis Book Jonathan Haidt Finding Modern Truth in Ancient Wisdom | $6.99 |
| The Happiness Hypothesis: Finding Modern - paperback, Jonathan Haidt, 0465028020 | $4.30 |
| The Happiness Hypothesis: Finding - Paperback, by Haidt Jonathan - Very Good c | $6.70 |
| The Happiness Hypothesis: Finding - Hardcover, by Haidt Jonathan - Very Good | $16.54 |
| The Happiness Hypothesis: Finding Modern - Paperback, by Haidt Jonathan - Good | $9.99 |
| AUDIOBOOK The Happiness Hypothesis AUDIOBOOK by Jonathan Haidt | $7.60 |
Get a Value for Your Specific Item
This page shows market data for The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom in general. Your item's actual value depends on condition, completeness, and current demand — scan it to get a specific number.
1. Snap a Photo
Just point your phone at the item — no typing.
2. AI Identifies It
Maker, model, era, and condition assessed in seconds.
3. See Real Prices
Sold comps + asking range from eBay, Poshmark, Mercari, etc.
Frequently Asked Questions
How much is a The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom worth?
Based on 15 recent sold listings, a The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom typically sells for $4 to $17 with a median of $5. The exact value depends on condition, completeness, and current market demand. Run a fresh scan for instant pricing on your specific item.
Where do these prices come from?
Sold prices come from completed listings on eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy — actual sales, not asking prices. Active asking prices are pulled from live listings. We re-aggregate this data continuously as new scans come in.
Why do listing prices differ from sold prices?
Sellers commonly list above what items realistically sell for. The gap between "asking" and "sold" is the most important number to look at — pricing in line with the sold median moves your item; pricing at the asking ceiling means it sits.
Aggregated from 1 independent AI scans and 15 recent completed listings across eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy. Re-aggregated daily. Last refreshed June 25, 2026.
Get a Real Value for Your The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom
AI-powered valuation backed by real sold data. Plans start at $5/mo.
Start Scanning