KDP categories · Top KDP authors
Reference (Nursing, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Nursing, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 13 reviews, average rating 4.5 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $53.74 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 15% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 15% of the parent category Nursing (88), one of the easier corners under it.
- Its review barrier is lower than in 78% of Kindle eBooks categories: the median best seller has only 13 reviews, so new books can chart with few.
- 15% of its best sellers came out in the last 90 days, more than in 76% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Reference best sellers
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![DSM 5 TR [Kindle Edition] Mental Disorders: Diagnostic handbook and Statistical Manual fro book cover by Peter Helleno](https://images-na.ssl-images-amazon.com/images/I/61mvKshdy8L._UX300__PJkp-sticker-v1,TopRight,0,-50_AC_UL300_SR300,200_.jpg)
DSM 5 TR [Kindle Edition] Mental Disorders: Diagnostic handbook and Statistical Manual from dsm-5-tr 5th edition: Includes the fully revised text and references updated diagnostic criteria and ICD-10
by Peter Helleno
- List rank#1
- Price$28.99
- Rating1.9
- Reviews15
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75 Nurse Cheat Sheets: for Students and New Grad Nurses
by Aaron Reed MSN CRNA
- List rank#2
- Price$3.99
- Rating4.2
- Reviews185
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Nursing Mnemonics: 117 Tips, Tricks, and Memory Cues to Help You Survive Nursing School (NCLEX Essential Review Guides)
by Chris Mulder
- List rank#3
- Price$2.99
- Rating4.6
- Reviews163
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Wound Care Essentials
by Sharon Baranoski
- List rank#4
- Price$76.79
- Rating4.7
- Reviews345
-
ECG | EKG Interpretation for Nurses: A Visual, Step-by-Step Guide with Clinical Illustrations and Case Studies
by Colson Ridge
- List rank#5
- Price$7.99
- Rating4.6
- Reviews33
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Lehne's Pharmacotherapeutics for Advanced Practice Nurses and Physician Assistants - E-Book
by Laura D. Rosenthal DNP, RN, ACNP-BC, FAANP
- List rank#6
- Price$96.52
- Rating4.7
- Reviews78
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NCLEX Quick Strike: Fast-Track Review for Total Test Readiness (NCLEX Essential Review Guides)
by Nurse Dojo
- List rank#7
- Price$2.99
- Rating5.0
- Reviews2
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NCLEX-RN Complete Study Guide: High-Yield Nursing Review, Clinical Judgment & Practice Questions for NCLEX-RN Success
- List rank#8
- Price$4.99
- Reviews-
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The No-Overload FNP Pocket Guide: The Essential Family Nurse Practitioner Guide for Primary Care, Red Flags, Medication Safety, and Clear Clinical Decisions (Nurse Essentials Book 2)
by MedCore Works
- List rank#9
- Price$26.99
- Rating4.9
- Reviews26
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Correctional Nursing Reference Guide : What No One Tells You About Nursing Behind the Walls
by Christi Curry
- List rank#10
- Price$9.99
- Rating4.0
- Reviews2
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 13 reviews and sells for $9.99.
How many reviews do you need to rank in Reference?
The median best seller has 13 reviews, and 82% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.99 and $53.74.
Can new books break into Reference?
15% 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.