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).

21Opportunity / 100
$13.78Median price
1Median reviews
Price range (middle 50%)$7.99 – $29.38
Average rating4.3
New releases (90 days)7%
Books on the list86
StoreBooks

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

  1. The Chemists’ Cookbook: A practical handbook of 201 named reactions for advanced students  book cover by Lluís Llorens Palomo

    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

    View on Amazon · Full data on KDPTop

  2. Advanced Organic Chemistry: Part B: Reaction and Synthesis book cover by Francis A. Carey

    Advanced Organic Chemistry: Part B: Reaction and Synthesis

    by Francis A. Carey

    • List rank#2
    • Price$62.93
    • Rating4.7
    • Reviews183

    View on Amazon · Full data on KDPTop

  3. MCAT TEST PREP: All-in-One Prep Book with Full-Length Practice Tests, High-Yield Content R book cover by Testoria

    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

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  4. Fireworks Fireworks Fireworks: SIMPLE FORMULAS AND CAUTIONS WHEN MAKING FIREWORKS (Firewor book cover by Les Gondos Jr.

    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

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  5. Composition Notebook College Ruled: Vintage Aesthetic Science Lab Tools Illustration Volum book cover by Maeberry Grace Press

    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

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  6. Organic Chemistry Made Easy: Organic Chem Reference Guide for College Students: Complete S book cover by Made Easy Academy

    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

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  7. Named Reactions Handbook & Quiz: Practical handbook of 102 named reactions for advanced ch book cover by Lluís Llorens Palomo

    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

    View on Amazon · Full data on KDPTop

  8. Organic and Medicinal Chemistry Mechanisms Workbook book cover by Education Ace

    Organic and Medicinal Chemistry Mechanisms Workbook

    by Education Ace

    • List rank#8
    • Price$17
    • Reviews-

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  9. THE BEAUTY OF CHEMICAL REACTIONS book cover by Chemicalforce

    THE BEAUTY OF CHEMICAL REACTIONS

    by Chemicalforce

    • List rank#9
    • Price$160
    • Rating5.0
    • Reviews4

    View on Amazon · Full data on KDPTop

  10. Composition Notebook College Ruled Vintage Chemistry: Vintage Chemistry Illustration | Aes book cover by Em Vintage

    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

    View on Amazon · Full data on KDPTop

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.