KDP categories · Top KDP authors
Verna B. Hagen: Amazon KDP author data
As of Nov 6, 2026, Verna B. Hagen has 8 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #26), mostly in Nervous System, Neuroscience, Anatomy.
| Median price | $10.99 |
|---|---|
| Price range (middle 50%) | $10.49 – $19.49 |
| Median reviews | 4 |
| Total reviews | 8 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 2 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 6 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Verna B. Hagen's best-ranked books
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Dosage Calculations Made Simple For Nursing Students: Master Medication Math, Dimensional Analysis, IV Calculations, Weight-Based Dosing, Safe Dose Checks, and 500+ Practice Problems
by Verna B. Hagen
- Price$9.99
- Reviews-
- Published2026-10
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The Human Brain Decoded: How Neuroscience Explains Memory, Emotions, Habits, Learning, Decisions, and the Hidden Forces Behind Human Behavior
by Verna B. Hagen
- Price$10.99
- Reviews-
- Published2026-09
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Understanding and Overcoming SIBO: A Comprehensive Natural Healing Guide to Managing Small Intestine Bacterial Overgrowth for Beginners and Long-Term Sufferers
by Verna B. Hagen
- Price$9.99
- Rating5.0
- Reviews4
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Understanding and Overcoming SIBO: A Comprehensive Natural Healing Guide to Managing Small Intestine Bacterial Overgrowth for Beginners and Long-Term ... Cause Revolution: Your Path to True Health)
by Verna B. Hagen
- Price$16
- Rating5.0
- Reviews4
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The Complete Immune Health Guide: Boost Immunity, Prevent Illness, and Support Recovery with Nutrition, Daily Habits, Vaccines, and Mind-Body Strategies ... Cause Revolution: Your Path to True Health)
by Verna B. Hagen
- Price$0
- Reviews-
-
The Human Brain Decoded: How Neuroscience Explains Memory, Emotions, Habits, Learning, Decisions, and the Hidden Forces Behind Human Behavior
by Verna B. Hagen
- Price$22.99
- Reviews-
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The Human Brain Decoded: How Neuroscience Explains Memory, Emotions, Habits, Learning, Decisions, and the Hidden Forces Behind Human Behavior
by Verna B. Hagen
- Price$33.99
- Reviews-
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The Brain Fog Reset Protocol: A Science-Guided System to Sharpen Focus, Improve Memory, Restore Mental Energy After 40, and Navigate Supplements, Peptides, and Modern Biohacking
by Verna B. Hagen
- Price$10.99
- Reviews-
Main categories
FAQ
How many books does Verna B. Hagen have on Amazon?
KDPTop tracks 8 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Verna B. Hagen publish in?
Their books chart most often in Nervous System, Neuroscience, Anatomy.
How does Verna B. Hagen price their books?
The median price is $10.99; half of the books cost $10.49–$19.49.
Has Verna B. Hagen released new books recently?
6 new books in the last 30 days, 2 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.