KDP categories · Top KDP authors
Colon & Rectal (Medical Books › Surgery, Books): Amazon KDP category data
Amazon Books Best Sellers data for Colon & Rectal (Medical Books › Surgery, Books), updated Nov 2, 2026: median price $39.95, median 3 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $13.99 – $182 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Surgery (102), one of the easier corners under it.
- Its review barrier is lower than in 94% of Books categories: the median best seller has only 3 reviews, so new books can chart with few.
- At $39.95 its median price beats 93% of Books categories, leaving more margin per copy.
Top 10 Colon & Rectal best sellers
-
Suture like a Surgeon: A Doctor’s Guide to Surgical Knots and Suturing Techniques used in the Departments of Surgery, Emergency Medicine, and Family Medicine
- List rank#1
- Price$16.99
- Rating4.6
- Reviews2,090
-
Operative Techniques in Surgery: Print + eBook with Multimedia
by Mary T. Hawn
- List rank#2
- Price$325
- Rating4.8
- Reviews20
-
Sleisenger and Fordtran's Gastrointestinal and Liver Disease - 2 Volume Set: Pathophysiology, Diagnosis, Management
by Raymond T. Chung MD FAASLD AASLD
- List rank#3
- Price$274
- Rating4.2
- Reviews12
-
Gastroenterology for Beginners: Breaking Down Complex GI Medical Terminology and Vocabulary for High School / College Students and Patients (Medical Terms Made Clear)
- List rank#4
- Price$14.99
- Rating4.6
- Reviews6
-
Hemorrhoid Surgery Activity Book: A Lighthearted Recovery Companion | Comfort Care, Relief Activities, and a Get-Well Gift for Healing After Piles Treatment
- List rank#5
- Price$9.99
- Rating5.0
- Reviews1
-
TOP KNIFE: The Art & Craft of Trauma Surgery
by Asher Hirshberg
- List rank#6
- Price$33.89
- Rating4.8
- Reviews365
-
Digestive Health Journal: Three Month Diet and Lifestyle Tracker
by Gastrointestinal Society
- List rank#7
- Price$11.99
- Rating4.0
- Reviews13
-
Monologues of a Pediatric Surgeon
- List rank#8
- Price-
- Rating4.9
- Reviews15
-
Still Life with Colostomy (Book One) Not me
by David Ollier Weber
- List rank#9
- Price$9.99
- Rating4.5
- Reviews2
-
Colonoscopy Prep Fun Times Activity Book
by Lou J Crapper
- List rank#10
- Price$9.99
- Rating5.0
- Reviews4
FAQ
Is Colon & Rectal a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 3 reviews and sells for $39.95.
How many reviews do you need to rank in Colon & Rectal?
The median best seller has 3 reviews, and 94% of them have fewer than 100.
What do Colon & Rectal best sellers cost?
The median price is $39.95; half of the best sellers are priced between $13.99 and $182.
Can new books break into Colon & Rectal?
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.