KDP categories · Top KDP authors
Aino Zerach: Amazon KDP author data
As of Nov 6, 2026, Aino Zerach has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #7), mostly in Medical Coding & Billing, Study & Test-Taking Skills, Medical Assistants.
| Median price | $14.49 |
|---|---|
| Price range (middle 50%) | $7.99 – $20.99 |
| Median reviews | 2 |
| Total reviews | 16 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $14.49, 61% below the median of their main category, Medical Coding & Billing.
Aino Zerach's best-ranked books
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iOS 27 USER GUIDE: The Complete Illustrated Manual to Master Apple's Latest iPhone Software with tips on Apple Intelligence, Smart Search, Siri AI, Privacy Features, and Productivity Tools
by Aino Zerach
- Price$5.99
- Rating4.5
- Reviews2
-
NHA Certified Billing and Coding Specialist (CBCS) Exam Study Guide: A Comprehensive Manual Featuring ICD-10-CM, CPT, HCPCS, HIPAA, Revenue Cycle Management, and Practice Tests
by Aino Zerach
- Price$7.99
- Rating4.5
- Reviews2
-
NHA Certified Billing and Coding Specialist (CBCS) Exam Study Guide: A Comprehensive Manual Featuring ICD-10-CM, CPT, HCPCS, HIPAA, Revenue Cycle Management, and Practice Tests
by Aino Zerach
- Price$20.99
- Rating4.5
- Reviews2
-
NHA CMAA Exam Prep 2026–2027 Study Guide: A Complete Manual with Practice Questions, Test-Taking Strategies, and Real-World Administrative Skills for Exam Success
by Aino Zerach
- Price$7.99
- Rating4.6
- Reviews3
-
NEW YORK CITY TRAVEL GUIDE: A Complete Tour Companion to Exploring Manhattan, Brooklyn, Queens, and Beyond
by Aino Zerach
- Price$7.99
- Rating1.0
- Reviews1
-
NHA CERTIFIED EKG TECHNICIAN (CET) EXAM STUDY GUIDE: A Comprehensive Review of EKG Fundamentals, Arrhythmias, Lead Placement, and Exam-Style Questions with Detailed Explanations
by Aino Zerach
- Price$20.99
- Rating5.0
- Reviews2
-
LOS ANGELES TRAVEL GUIDE: A Complete Tour Companion to Hollywood, Santa Monica, Venice Beach and Beyond
by Aino Zerach
- Price$7.99
- Reviews-
-
NEW YORK CITY TRAVEL GUIDE: A Complete Tour Companion to Exploring Manhattan, Brooklyn, Queens, and Beyond
by Aino Zerach
- Price$20.99
- Rating1.0
- Reviews1
-
LOS ANGELES TRAVEL GUIDE: A Complete Tour Companion to Hollywood, Santa Monica, Venice Beach and Beyond
by Aino Zerach
- Price$20.99
- Reviews-
-
NHA CMAA Exam Prep 2026–2027 Study Guide: A Complete Manual with Practice Questions, Test-Taking Strategies, and Real-World Administrative Skills for Exam Success
by Aino Zerach
- Price$20.99
- Rating4.6
- Reviews3
Main categories
FAQ
How many books does Aino Zerach have on Amazon?
KDPTop tracks 10 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Aino Zerach publish in?
Their books chart most often in Medical Coding & Billing, Study & Test-Taking Skills, Medical Assistants.
How does Aino Zerach price their books?
The median price is $14.49; half of the books cost $7.99–$20.99.
Has Aino Zerach 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.