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James Whitfield: Amazon KDP author data
As of Nov 6, 2026, James Whitfield has 48 books on Amazon, 22 of them on a best-seller list in the last 30 days (best rank #28), mostly in Vitamins & Supplements, Vitamins, Research.
| Median price | $7.49 |
|---|---|
| Price range (middle 50%) | $3.99 – $9.99 |
| Median reviews | 1 |
| Total reviews | 3 |
| New books (30 days) | 19 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $7.49, 50% below the median of their main category, Vitamins & Supplements.
- 19 new books in the last 30 days, 1 of them broke into a Best Sellers list.
James Whitfield's best-ranked books
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Astronomy Observing Log: Night Sky Observation Journal for Stargazers and Telescope Users
by James Whitfield
- Price$7.99
- Reviews-
- Published2026-10
-
Do Anxiety Supplements Actually Work?: L-Theanine, 5-HTP and GABA, Checked Against the Evidence
by James Whitfield
- Price$9.99
- Rating1.0
- Reviews1
- Published2026-09
-
Supplements, Checked: The Complete Evidence Audits - Magnesium, Adaptogens, Creatine, Vitamin D, and Melatonin (5 Books in 1)
by James Whitfield
- Price$4.99
- Reviews-
- Published2026-07
-
500 ChatGPT Prompts for Accountants & CPAs: Engagement Letters, Tax Season Client Emails, IRS Notice Replies and Advisory Memos for CPAs and Small Firms (AI Toolkit for Professionals)
by James Whitfield
- Price$4.99
- Reviews-
-
Do Anxiety Supplements Actually Work?: L-Theanine, 5-HTP and GABA, Checked Against the Evidence
by James Whitfield
- Price$9.99
- Rating1.0
- Reviews1
-
Are Seed Oils Actually Poisoning You?: What the 2025 Human Evidence Actually Shows - Every Fear About the "Hateful Eight," Weighed Fairly, Claim by Claim
by James Whitfield
- Price$0
- Rating3.0
- Reviews1
- Published2026-07
-
Not Another Anti-Inflammatory Diet Book: Honestly checking "chronic inflammation," inflammaging, and the foods-cause-inflammation panic - general education, no supplements to sell
by James Whitfield
- Price$0
- Reviews-
- Published2026-07
-
Testosterone Boosters, Fact-Checked: An AI Read Every Claim on the Bottle So You Don't Have To
by James Whitfield
- Price$0
- Reviews-
- Published2026-08
-
Does Collagen Actually Work?: What the Human Trials Really Show for Skin, Joints, Tendons and Muscle
by James Whitfield
- Price$9.99
- Reviews-
-
The Cortisol Myth: What Stress Hormones Actually Do, and What the Internet Gets Wrong
by James Whitfield
- Price$0
- Reviews-
- Published2026-07
Main categories
FAQ
How many books does James Whitfield have on Amazon?
KDPTop tracks 48 of their books; 22 made an Amazon list in the last 30 days.
Which categories does James Whitfield publish in?
Their books chart most often in Vitamins & Supplements, Vitamins, Research.
How does James Whitfield price their books?
The median price is $7.49; half of the books cost $3.99–$9.99.
Has James Whitfield released new books recently?
19 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.