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Thomas Gallagher: Amazon KDP author data
As of Nov 6, 2026, Thomas Gallagher has 12 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #15), mostly in Consolidation & Merger, Mesopotamia, Testing & Measurement.
| Median price | $11.45 |
|---|---|
| Price range (middle 50%) | $8.59 – $11.49 |
| Median reviews | 256 |
| Total reviews | 759 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $11.45, 44% below the median of their main category, Consolidation & Merger.
- 9 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Thomas Gallagher's best-ranked books
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Paddy's Lament, Ireland 1846-1847: Prelude to Hatred
by Thomas Gallagher
- Price$11.40
- Rating4.7
- Reviews247
-
Psychological Assessment: A Practical Guide to Testing, Diagnosis, and Case Formulation for Students and Clinicians
by Thomas Gallagher
- Price$11.49
- Reviews-
- Published2026-08
-
Assault in Norway: Sabotaging The Nazi Nuclear Program
by Thomas Gallagher
- Price$14.99
- Rating4.7
- Reviews256
-
Assault in Norway
by Thomas Gallagher
- Price$15.98
- Rating4.7
- Reviews256
- Published2010-06
-
Guide to Selling Your Business: A Step-by-Step Roadmap to Valuing, Preparing, and Exiting Your Company for Maximum After-Tax Profit
by Thomas Gallagher
- Price$8.59
- Reviews-
- Published2026-08
-
Selling Your Business: A Step-by-Step Roadmap to Maximize Your Exit Value and Walk Away on Your Terms
by Thomas Gallagher
- Price$11.49
- Reviews-
- Published2026-08
-
Nag Hammadi Texts: A Listener’s Guide to the Gnostic Gospels, Their History, and Hidden Meanings
by Thomas Gallagher
- Price$8.59
- Reviews-
-
History of the Ziggurat of Ur: The Great Monument of Mesopotamia
by Thomas Gallagher
- Price$8.59
- Reviews-
-
Reducing Stress at Work: Practical Mindset, Communication, and Boundary Skills to Reclaim Your Focus and Well-Being in Any Job
by Thomas Gallagher
- Price$11.49
- Reviews-
-
Korean War: A Gripping Frontline History of the Forgotten Conflict That Shaped the Modern World
by Thomas Gallagher
- Price$8.39
- Reviews-
Main categories
FAQ
How many books does Thomas Gallagher have on Amazon?
KDPTop tracks 12 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Thomas Gallagher publish in?
Their books chart most often in Consolidation & Merger, Mesopotamia, Testing & Measurement.
How does Thomas Gallagher price their books?
The median price is $11.45; half of the books cost $8.59–$11.49.
Has Thomas Gallagher released new books recently?
9 new books in the last 30 days, 1 of which reached a Best Sellers list.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.