KDP categories · Top KDP authors
J B: Amazon KDP author data
As of Nov 6, 2026, J B has 14 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #2), mostly in Anger Management, Gambling, Blackjack.
| Median price | $11.49 |
|---|---|
| Price range (middle 50%) | $4.24 – $19.24 |
| Median reviews | 20 |
| Total reviews | 39 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 3 |
What stands out
- 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $11.49, 23% below the median of their main category, Anger Management.
- 9 new books in the last 30 days, 3 of them broke into a Best Sellers list.
J B's best-ranked books
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Card Counters, Cheats, and Degenerates: The Math, Madness, and Memoirs of a Casino Surveillance Investigator
by J B
- Price$13.99
- Reviews-
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Card Counters, Cheats, and Degenerates: The Math, Madness, and Memoirs of a Casino Surveillance Investigator
by J B
- Price$23.99
- Reviews-
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Card Counters, Cheats, and Degenerates: The Math, Madness, and Memoirs of a Casino Surveillance Investigator
by J B
- Price$4.99
- Reviews-
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Eyes Wide Open: Situational Awareness from the Streets to the Cell Block
by J B
- Price$3.99
- Reviews-
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Dr. Schuessler's Biochemistry
by J B
- Price$26.12
- Rating4.7
- Reviews38
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Extremely Thorough Examination of Conscience: A Complete Catholic Resource for Deep Reflection, Confession, and Spiritual Growth
by J B
- Price$3.99
- Reviews-
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The Restoration Doctrine: The president who refused to surrender
by J B
- Price$19.99
- Rating5.0
- Reviews1
-
Stoicism for the Modern Warrior: Ancient Wisdom for Modern Chaos
by J B
- Price$3.99
- Reviews-
-
Road Trip Activity Book: For Kids Ages 9–13
by J B
- Price$16.99
- Reviews-
-
THE ART OF DE-ESCALATION: FIELD LESSONS FROM PROFESSIONALS
by J B
- Price$12.99
- Reviews-
- Published2026-10
Main categories
FAQ
How many books does J B have on Amazon?
KDPTop tracks 14 of their books; 12 made an Amazon list in the last 30 days.
Which categories does J B publish in?
Their books chart most often in Anger Management, Gambling, Blackjack.
How does J B price their books?
The median price is $11.49; half of the books cost $4.24–$19.24.
Has J B released new books recently?
9 new books in the last 30 days, 3 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.