KDP categories · Top KDP authors
PeakCert US: Amazon KDP author data
As of Nov 6, 2026, PeakCert US has 2 books on Amazon, 1 of them on a best-seller list in the last 30 days (best rank #1), mostly in Atlases, Medicine & Health Sciences, Pharmacology.
| Median price | $19.99 |
|---|---|
| Price range (middle 50%) | $19.99 – $19.99 |
| Median reviews | 200 |
| Total reviews | 399 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $19.99, 76% below the median of their main category, Atlases.
PeakCert US's best-ranked books
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Top 200 Drugs Clinical Coloring Atlas: Master Pharmacology Faster with MOA, Onset, Peak, Duration, Side Effects & Dosages. NCLEX, PTCB, NAPLEX & USMLE
by PeakCert US
- Price$19.99
- Rating4.7
- Reviews182
- Published2026-04
-
Pharmacy Technician Study Guide.: Complete Exam Prep with PTCB Manual, Realistic Exam simulator with 3000+ Q&A, Step-byStep Video Lessons and Printable Cheat Sheet
by PeakCert US
- Price-
- Rating4.8
- Reviews218
- Published2025-04
Main categories
FAQ
How many books does PeakCert US have on Amazon?
KDPTop tracks 2 of their books; 1 made an Amazon list in the last 30 days.
Which categories does PeakCert US publish in?
Their books chart most often in Atlases, Medicine & Health Sciences, Pharmacology.
How does PeakCert US price their books?
The median price is $19.99; half of the books cost $19.99–$19.99.
Has PeakCert US released new books recently?
0 new books in the last 30 days.
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.