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Sciences & Technology (Portuguese, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Sciences & Technology (Portuguese, Kindle eBooks), updated Nov 3, 2026: median price $7.27, median 102 reviews, average rating 4.7 and a KDPTop opportunity score of 15/100 (highly competitive).

15Opportunity / 100
$7.27Median price
102Median reviews
Price range (middle 50%)$4.92 – $10.24
Average rating4.7
New releases (90 days)11%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 3% of the parent category Portuguese (3,458), one of the easier corners under it.

Top 10 Sciences & Technology best sellers

  1. Competente o Suficiente: Um ano colocando a inteligência artificial à prova, sem medo e se book cover by Fabio Akita

    Competente o Suficiente: Um ano colocando a inteligência artificial à prova, sem medo e sem propaganda (Portuguese Edition)

    by Fabio Akita

    • List rank#1
    • Price$3
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  2. Breve história de quase tudo (Portuguese Edition) book cover by Bill Bryson

    Breve história de quase tudo (Portuguese Edition)

    by Bill Bryson

    • List rank#2
    • Price$6.15
    • Rating4.6
    • Reviews366

    View on Amazon · Full data on KDPTop

  3. Protocolos: Um manual operacional do corpo humano (Portuguese Edition) book cover by Andrew D. Huberman

    Protocolos: Um manual operacional do corpo humano (Portuguese Edition)

    by Andrew D. Huberman

    • List rank#3
    • Price$9.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  4. ANATOMIA HUMANA: Fundamentos dos Sistemas Esquelético, Articular e Muscular (Portuguese Ed book cover by Rubens Gomes Correa

    ANATOMIA HUMANA: Fundamentos dos Sistemas Esquelético, Articular e Muscular (Portuguese Edition)

    by Rubens Gomes Correa

    • List rank#4
    • Price$4.40
    • Rating4.7
    • Reviews20

    View on Amazon · Full data on KDPTop

  5. Física quântica para iniciantes (Portuguese Edition) book cover by Pantheon Space Academy

    Física quântica para iniciantes (Portuguese Edition)

    by Pantheon Space Academy

    • List rank#5
    • Price$4.99
    • Rating4.5
    • Reviews4

    View on Amazon · Full data on KDPTop

  6. O NASCIMENTO DA TRAGÉDIA: VERSÃO ORIGINAL (Portuguese Edition) book cover by FRIEDRICH NIETZSCHE

    O NASCIMENTO DA TRAGÉDIA: VERSÃO ORIGINAL (Portuguese Edition)

    by FRIEDRICH NIETZSCHE

    • List rank#6
    • Price$2.99
    • Rating4.6
    • Reviews65

    View on Amazon · Full data on KDPTop

  7. O gene: Uma história íntima (Portuguese Edition) book cover by Siddhartha Mukherjee

    O gene: Uma história íntima (Portuguese Edition)

    by Siddhartha Mukherjee

    • List rank#7
    • Price-
    • Rating4.8
    • Reviews921

    View on Amazon · Full data on KDPTop

  8. Manual de sistemas fotovoltaicos de geração distribuída: teoria e prática (Portuguese Edit book cover by Giuliano Arns Rampinelli

    Manual de sistemas fotovoltaicos de geração distribuída: teoria e prática (Portuguese Edition)

    by Giuliano Arns Rampinelli

    • List rank#8
    • Price$3.53
    • Rating4.6
    • Reviews6

    View on Amazon · Full data on KDPTop

  9. O universo numa casca de noz (Portuguese Edition) book cover by Stephen Hawking

    O universo numa casca de noz (Portuguese Edition)

    by Stephen Hawking

    • List rank#9
    • Price$9.99
    • Rating4.7
    • Reviews985

    View on Amazon · Full data on KDPTop

  10. Neurociências: Desvendando os mistérios do cérebro (Portuguese Edition) book cover by Gustavo Licursi

    Neurociências: Desvendando os mistérios do cérebro (Portuguese Edition)

    by Gustavo Licursi

    • List rank#10
    • Price$4.65
    • Rating4.6
    • Reviews40

    View on Amazon · Full data on KDPTop

FAQ

Is Sciences & Technology a good niche for Amazon KDP?

Its KDPTop opportunity score is 15/100, which makes it highly competitive. The median best seller has 102 reviews and sells for $7.27.

How many reviews do you need to rank in Sciences & Technology?

The median best seller has 102 reviews, and 50% of them have fewer than 100.

What do Sciences & Technology best sellers cost?

The median price is $7.27; half of the best sellers are priced between $4.92 and $10.24.

Can new books break into Sciences & Technology?

11% 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.