KDP categories · Top KDP authors
Reference (Parenting & Relationships, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Parenting & Relationships, Kindle eBooks), updated Nov 3, 2026: median price $9.31, median 266 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $6.24 – $11.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 0% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 0% of its best sellers are under 90 days old, fewer than in 99% of Kindle eBooks categories: established titles hold the list.
- Its median reviews are 50% of the parent category Parenting & Relationships (537), one of the easier corners under it.
- Its review barrier is higher than in 72% of Kindle eBooks categories: the median best seller has 266 reviews, so new books need time to build up.
Top 10 Reference best sellers
-
Men Are from Mars, Women Are from Venus: The Classic Guide to Understanding the Opposite Sex — A Couples Guide
by John Gray
- List rank#1
- Price$11.99
- Rating4.6
- Reviews16,982
-
The Montessori Baby: A Parent's Guide to Nurturing Your Baby with Love, Respect, and Understanding (The Parents' Guide to Montessori Book 2)
by Simone Davies
- List rank#2
- Price$11.99
- Rating4.7
- Reviews3,608
-
What to Expect the First Year: (Updated in 2026)
- List rank#3
- Price$11.99
- Rating4.8
- Reviews14,130
-
Taking Charge of Your Fertility: The Definitive Guide to Natural Birth Control, Pregnancy Achievement, and Reproductive Health – A Women's Health Reference
by Toni Weschler
- List rank#4
- Price$19.99
- Rating4.8
- Reviews5,963
-
Passionista: The Empowered Woman's Guide to Pleasuring a Man (Kerner Book 4)
by Ian Kerner
- List rank#5
- Price$12.99
- Rating4.4
- Reviews1,474
-
No-Drama Discipline: The Whole-Brain Way to Calm the Chaos and Nurture Your Child's Developing Mind
- List rank#6
- Price$9.99
- Rating4.6
- Reviews3,568
-
Raising Your Spirited Child: A Guide for Parents Whose Child Is More Intense, Sensitive, Perceptive, Persistent, and Energetic – A Bestselling Updated Edition (Spirited Series Book 6)
by Mary Sheedy Kurcinka
- List rank#7
- Price$1.99
- Rating4.2
- Reviews33
-
The Grief Recovery Handbook, 20th Anniversary Expanded Edition: The Action Program for Moving Beyond Death, Divorce, and Other Losses – Reclaim Your Happiness and Life
by John W. James
- List rank#8
- Price$7.99
- Rating4.7
- Reviews5,212
-
1-2-3 Magic: Gentle 3-Step Child & Toddler Discipline for Calm, Effective, and Happy Parenting (Positive Parenting Guide for Raising Happy Kids)
by Thomas W. Phelan
- List rank#9
- Price$8.52
- Rating4.6
- Reviews6,009
-
The Montessori Toddler: A Parent's Guide to Raising a Curious and Responsible Human Being (The Parents' Guide to Montessori Book 1)
by Simone Davies
- List rank#10
- Price$11.99
- Rating4.8
- Reviews10,551
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 266 reviews and sells for $9.31.
How many reviews do you need to rank in Reference?
The median best seller has 266 reviews, and 32% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $9.31; half of the best sellers are priced between $6.24 and $11.99.
Can new books break into Reference?
0% 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.