KDP categories · Top KDP authors
Backache: Amazon KDP category data
Amazon Books Best Sellers data for Backache, updated Nov 2, 2026: median price $14.48, median 39 reviews, average rating 4.4 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $10.93 – $19.57 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
Top 10 Backache best sellers
-
Healing Back Pain: The Mind-Body Connection
by John E. Sarno MD
- List rank#1
- Price$9.44
- Rating4.4
- Reviews7,996
-
Treat Your Own Back
- List rank#2
- Price$13.54
- Rating4.6
- Reviews6,301
-
Independence for Life: The Complete Guide to Building Strength and Regaining Mobility Beyond 50
by Will Harlow
- List rank#3
- Price$19.99
- Rating4.7
- Reviews192
-
The Miracle Ball Method, Revised Edition: Relieve Your Pain, Reshape Your Body, Reduce Your Stress
by Elaine Petrone
- List rank#4
- Price$15.44
- Rating4.6
- Reviews1,073
-
Chair Exercises For Seniors: Large Print | Build Strength, Improve Balance & Lose Weight: A Simple & Easy Guide to Mobility & Fitness. (Strong & Ageless)
by Toni Avalos
- List rank#5
- Price$14.98
- Rating4.5
- Reviews148
-
Rehab Your Own Spinal Stenosis: strategies to improve the health of your spine
by Terri Night PT
- List rank#6
- Price$21.95
- Rating4.5
- Reviews519
-
Foundation: Redefine Your Core, Conquer Back Pain, and Move with Confidence
by Eric Goodman
- List rank#7
- Price$12.33
- Rating4.6
- Reviews1,681
-
Mind Over Back Pain: A Radically New Approach to the Diagnosis and Treatment of Back Pain
by John Sarno
- List rank#8
- Price$13.05
- Rating4.3
- Reviews992
-
SPINAL STENOSIS RAPID RECOVERY: The Complete Guide to Pain Relief, Improved Mobility, Posture Correction, Strength Building, Nerve Health, and Long-Term Spinal Wellness
by Lorraine H. Corwen
- List rank#9
- Price$14.55
- Rating4.1
- Reviews4
-
Back Surgery Recovery Activity Book: Funny Post-Op Gifts And Bedridden Humor For Spinal Fusion: Sarcastic Bed Rest Distraction Featuring Chunky Coloring Pages, Brain Teasers, And Adult Puzzles
by At Least You're Alive Press
- List rank#10
- Price$8.99
- Reviews-
FAQ
Is Backache a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 39 reviews and sells for $14.48.
How many reviews do you need to rank in Backache?
The median best seller has 39 reviews, and 66% of them have fewer than 100.
What do Backache best sellers cost?
The median price is $14.48; half of the best sellers are priced between $10.93 and $19.57.
Can new books break into Backache?
8% 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.