KDP categories · Top KDP authors
Reference (Parenting & Relationships, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Parenting & Relationships, Books), updated Nov 3, 2026: median price $11.53, median 1,570 reviews, average rating 4.6 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $10.16 – $14.85 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 2% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Books categories: established titles hold the list.
- Its median reviews are 27% of the parent category Parenting & Relationships (5,845), one of the easier corners under it.
- Its review barrier is higher than in 90% of Books categories: the median best seller has 1,570 reviews, so new books need time to build up.
Top 10 Reference best sellers
-
Moms on Call Basic Baby Care 0-6 Months - Newborn Routine, Sleep & Feeding Schedule Book for First-Time Moms - 20th Anniversary Edition (Book 1 of 3)
by Laura Hunter LPN
- List rank#1
- Price$27.99
- Rating4.6
- Reviews7,534
-
Teach Your Child to Read in 100 Easy Lessons: Revised and Updated Second Edition
by Siegfried Engelmann
- List rank#2
- Price$16.52
- Rating4.6
- Reviews17,388
-
What to Expect the First Year: (Updated in 2026)
- List rank#3
- Price$12.37
- Rating4.8
- Reviews14,130
-
Habits of the Household: Practicing the Story of God in Everyday Family Rhythms
- List rank#4
- Price$11
- Rating4.8
- Reviews3,071
-
The Simplest Baby Book in the World: The Illustrated, Grab-and-Do Guide for a Healthy, Happy Baby
by S.M. Gross
- List rank#5
- Price$18.83
- Rating4.7
- Reviews3,645
-
![The Explosive Child [Sixth Edition]: A New Approach to Understanding and Parenting Childre book cover by Ross W. Greene PhD](https://images-na.ssl-images-amazon.com/images/I/7148uFt7XbL._AC_UL300_SR300,200_.jpg)
The Explosive Child [Sixth Edition]: A New Approach to Understanding and Parenting Children
- List rank#6
- Price$11.40
- Rating4.6
- Reviews3,449
-
Men Are from Mars, Women Are from Venus: The Classic Guide to Understanding the Opposite Sex ― A #1 NYT Bestselling Couples' Relationship Book
by John Gray
- List rank#7
- Price$11.48
- Rating4.6
- Reviews16,982
-
The Digital Delusion: How Classroom Technology Harms Our Kids' Learning--and How to Help Them Thrive Again; Updated Edition
- List rank#8
- Price$20.50
- Rating4.7
- Reviews356
-
No-Drama Discipline: The Whole-Brain Way to Calm the Chaos and Nurture Your Child's Developing Mind
- List rank#9
- Price$12.99
- Rating4.6
- Reviews3,568
-
The Grief Recovery Handbook, 20th Anniversary Expanded Edition: A Step-by-Step Program for Moving Beyond Loss ― A 20th Anniversary Self-Help Classic on Emotional Healing
by John W. James
- List rank#10
- Price$8.53
- Rating4.7
- Reviews5,212
Same niche in Kindle eBooks: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 1,570 reviews and sells for $11.53.
How many reviews do you need to rank in Reference?
The median best seller has 1,570 reviews, and 6% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $11.53; half of the best sellers are priced between $10.16 and $14.85.
Can new books break into Reference?
2% 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.