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Zerai Hagos: Amazon KDP author data
As of Nov 6, 2026, Zerai Hagos has 30 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #18), mostly in Developmental Psychology, Lifespan Development, Adulthood & Aging.
| Median price | $10 |
|---|---|
| Price range (middle 50%) | $9.99 – $12.99 |
| Median reviews | 1 |
| Total reviews | 4 |
| New books (30 days) | 5 |
| Breakout books (30 days) | 1 |
What stands out
- 5 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Zerai Hagos's best-ranked books
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Biostatistics Made Clear : A Student’s Guide to Understanding Data in the Health Sciences
by Zerai Hagos
- Price$12.99
- Reviews-
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THE GNOSTIC CHRIST : Manuscript Evidence and Timeless Principles of Spirituality
by Zerai Hagos
- Price$9.99
- Reviews-
- Published2026-09
-
Mixed Methods Research: A Practical Guide for Mastering the Integration of Qualitative and Quantitative Approaches
by Zerai Hagos
- Price$7.99
- Rating5.0
- Reviews1
-
Eight Minds, Infinite Genius: How Reimagining Intelligence Can Save Our Schools
by Zerai Hagos
- Price$0
- Rating5.0
- Reviews1
- Published2025-06
-
DISSERTATION WRITING MADE CLEAR : A Definitive Guide to Doctoral Dissertations
by Zerai Hagos
- Price$12.99
- Rating5.0
- Reviews1
-
DISSERTATION WRITING MADE CLEAR: A Definitive Guide to Doctoral Dissertations
by Zerai Hagos
- Price$28.88
- Rating5.0
- Reviews1
-
BLOATING DEMYSTIFIED: The Biochemistry, Physiology, and Medicine of a Swollen Belly, and How to Find and Fix the Root Cause
by Zerai Hagos
- Price$10
- Reviews-
-
PSYCHOANALYSIS IN ACTION : A Christian Counselor's Workbook
by Zerai Hagos
- Price$12.99
- Reviews-
-
THE CHOLESTEROL MISCONCEPTION: A Biochemical and Pathophysiological Deep Dive for the Everyday Reader
by Zerai Hagos
- Price$12.99
- Reviews-
-
Definitive Guide to Qualitative Research: A Textbook for Master’s and Doctoral Students
by Zerai Hagos
- Price$0
- Reviews-
- Published2025-10
Main categories
FAQ
How many books does Zerai Hagos have on Amazon?
KDPTop tracks 30 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Zerai Hagos publish in?
Their books chart most often in Developmental Psychology, Lifespan Development, Adulthood & Aging.
How does Zerai Hagos price their books?
The median price is $10; half of the books cost $9.99–$12.99.
Has Zerai Hagos released new books recently?
5 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.