KDP categories · Top KDP authors
Certification & Development: Amazon KDP category data
Amazon Books Best Sellers data for Certification & Development, updated Nov 2, 2026: median price $22.31, median 296 reviews, average rating 4.7 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $17.63 – $29.99 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 12% of the parent category Schools & Teaching (2,492), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
- At $22.31 its median price beats 80% of Books categories, leaving more margin per copy.
Top 10 Certification & Development best sellers
-
Grit: The Power of Passion and Perseverance
- List rank#1
- Price$16.99
- Rating4.6
- Reviews20,934
-
Flow: The Psychology of Optimal Experience
- List rank#2
- Price$10.40
- Rating4.4
- Reviews7,620
-
PMP Exam Prep Simplified: Covers the Current PMP Exam and Includes a 35 Hours of Project Management E-Learning Course
by Andrew Ramdayal
- List rank#3
- Price$46.70
- Rating4.5
- Reviews2,921
-
The Writing Revolution 2.0: A Guide to Advancing Thinking Through Writing in All Subjects and Grades
by Judith C. Hochman
- List rank#4
- Price$22.04
- Rating4.8
- Reviews464
-
Do Hard Things: Why We Get Resilience Wrong and the Surprising Science of Real Toughness
- List rank#5
- Price$14.61
- Rating4.5
- Reviews2,386
-
Teach Like a Champion 3.0: 63 Techniques that Put Students on the Path to College
by Doug Lemov
- List rank#6
- Price$20.41
- Rating4.7
- Reviews1,222
-
Scaffolding Complex Texts: How to Plan and Teach for Deeper Comprehension in Grades 5–8
by Mitchell Brookins
- List rank#7
- Price$36.99
- Rating5.0
- Reviews8
-
The Megabook of Fluency, 2nd Edition: Strategies and Texts to Engage All Readers
by Timothy V. Rasinski
- List rank#8
- Price$29.15
- Rating4.5
- Reviews114
-
The Teach Like a Champion Guide to the Science of Reading: Translating Research to Reignite Joy and Meaning in the Classroom
by Doug Lemov
- List rank#9
- Price$20.83
- Rating4.8
- Reviews115
-
Seeing People: What Every Parent, Teacher, Therapist, Manager, and Person Needs to See About Everyone as Taught by an Autistic ADHD Teacher
by Jeff Brown
- List rank#10
- Price$13.99
- Rating4.6
- Reviews79
FAQ
Is Certification & Development a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 296 reviews and sells for $22.31.
How many reviews do you need to rank in Certification & Development?
The median best seller has 296 reviews, and 33% of them have fewer than 100.
What do Certification & Development best sellers cost?
The median price is $22.31; half of the best sellers are priced between $17.63 and $29.99.
Can new books break into Certification & Development?
4% of the current best sellers were released in the last 90 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.