KDP categories · Top KDP authors
Reactions: Amazon KDP category data
Amazon Books Best Sellers data for Reactions, updated Nov 2, 2026: median price $13.78, median 1 reviews, average rating 4.3 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $7.99 – $29.38 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 7% |
| Books on the list | 86 |
| Store | Books |
What stands out
- Its median reviews are 1% of the parent category Organic (70), one of the easier corners under it.
- Its review barrier is lower than in 99% of Books categories: the median best seller has only 1 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $7.99 to $29.38, so budget editions and premium or boxed sets sell side by side.
Top 10 Reactions best sellers
-
The Chemists’ Cookbook: A practical handbook of 201 named reactions for advanced students and researchers of synthetic organic chemistry (NROChemistry)
by Lluís Llorens Palomo
- List rank#1
- Price$38.22
- Rating4.8
- Reviews35
-
Advanced Organic Chemistry: Part B: Reaction and Synthesis
by Francis A. Carey
- List rank#2
- Price$62.93
- Rating4.7
- Reviews183
-
MCAT TEST PREP: All-in-One Prep Book with Full-Length Practice Tests, High-Yield Content Review, Exam-Style Questions, Detailed Explanations & Online Practice Platform. Prepare Smarter. Aim Higher.
by Testoria
- List rank#3
- Price$49.97
- Rating5.0
- Reviews25
-
Fireworks Fireworks Fireworks: SIMPLE FORMULAS AND CAUTIONS WHEN MAKING FIREWORKS (Fireworks: SIMPLE FORMULAS AND CAUTIONS WHEN MAKING FIREWORKS series)
by Les Gondos Jr.
- List rank#4
- Price$12.95
- Rating3.8
- Reviews11
-
Composition Notebook College Ruled: Vintage Aesthetic Science Lab Tools Illustration Volume #3, Writing Journal for School, College, Work, Sketching & Doodling
by Maeberry Grace Press
- List rank#5
- Price$7.99
- Rating4.7
- Reviews98
-
Organic Chemistry Made Easy: Organic Chem Reference Guide for College Students: Complete Study System with Mnemonics, Color-Coded Learning, Reaction ... Practice Questions (Made Easy Academy Series)
by Made Easy Academy
- List rank#6
- Price$15.95
- Rating3.8
- Reviews4
-
Named Reactions Handbook & Quiz: Practical handbook of 102 named reactions for advanced chemistry students and researchers - Volume 1 (NROChemistry)
by Lluís Llorens Palomo
- List rank#7
- Price$15.99
- Rating4.4
- Reviews4
-
Organic and Medicinal Chemistry Mechanisms Workbook
by Education Ace
- List rank#8
- Price$17
- Reviews-
-
THE BEAUTY OF CHEMICAL REACTIONS
by Chemicalforce
- List rank#9
- Price$160
- Rating5.0
- Reviews4
-
Composition Notebook College Ruled Vintage Chemistry: Vintage Chemistry Illustration | Aesthetic Journal for School, College, Office or Work | Wide Lined
by Em Vintage
- List rank#10
- Price$7.49
- Rating4.2
- Reviews9
FAQ
Is Reactions a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 1 reviews and sells for $13.78.
How many reviews do you need to rank in Reactions?
The median best seller has 1 reviews, and 99% of them have fewer than 100.
What do Reactions best sellers cost?
The median price is $13.78; half of the best sellers are priced between $7.99 and $29.38.
Can new books break into Reactions?
7% 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.