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J M Sage: Amazon KDP author data

As of Nov 6, 2026, J M Sage has 72 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #2), mostly in Rendering & Ray Tracing, DirectX, Graphics & Visualization.

72Books on Amazon
6Listed in 30 days
4.2Average rating
Median price$16.99
Price range (middle 50%)$14.99 – $24.99
Median reviews1
Total reviews7
New listings (30 days, incl. new editions)1
Breakout books (30 days)1

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What stands out

  • Only 8% of the catalog charted in the last 30 days; sales rest on a few titles.
  • Median price $16.99, 43% below the median of their main category, Rendering & Ray Tracing.

J M Sage's best-ranked books

  1. Digital Rendering Engineering: The Hardware of Light: Real-Time Ray Tracing, DirectX 12, V book cover by J M Sage

    Digital Rendering Engineering: The Hardware of Light: Real-Time Ray Tracing, DirectX 12, Vulkan, HLSL, and GPU-Driven Rendering

    by J M Sage

    • Price$69.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. Digital Rendering Engineering: The Physics of Light: Physically Based Rendering, Radiometr book cover by J M Sage

    Digital Rendering Engineering: The Physics of Light: Physically Based Rendering, Radiometry, Path Tracing, and Light Transport

    by J M Sage

    • Price$64.82
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Digital Rendering Engineering: The Hardware of Light: Real-Time Ray Tracing, DirectX 12, V book cover by J M Sage

    Digital Rendering Engineering: The Hardware of Light: Real-Time Ray Tracing, DirectX 12, Vulkan, HLSL, and GPU-Driven Rendering

    by J M Sage

    • Price$49.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. The Engineering of Blade Metallurgy: The Complete Science of Steels, Thermal Processing, E book cover by J M Sage

    The Engineering of Blade Metallurgy: The Complete Science of Steels, Thermal Processing, Edge Mechanics, and Precision Folding Knife Kinematics

    by J M Sage

    • Price$19.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  5. Chromatic Mind: Essays on Light, Physics, and the Death of Artistic Intuition (CHROMATIC E book cover by J M Sage

    Chromatic Mind: Essays on Light, Physics, and the Death of Artistic Intuition (CHROMATIC ENGINEERING Book 1)

    by J M Sage

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. Chromatic Engineering: Atmospheric Watercolor: Analytical Protocols For Atmospheric Waterc book cover by J M Sage

    Chromatic Engineering: Atmospheric Watercolor: Analytical Protocols For Atmospheric Watercolor And Realistic Painting

    by J M Sage

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. Aquarela botânica Workbook: A ciência da pintura e engenharia cromática (Portuguese Editio book cover by J M Sage

    Aquarela botânica Workbook: A ciência da pintura e engenharia cromática (Portuguese Edition)

    by J M Sage

    • Price$29.99
    • Rating4.0
    • Reviews2
    • Published2025-12

    View on Amazon · Full data on KDPTop

  8. Criminal Sketch: Witness Description - Volume 1: 50 Prompts for Facial Illustration & Char book cover by J M Sage

    Criminal Sketch: Witness Description - Volume 1: 50 Prompts for Facial Illustration & Character Design Practice (CRIMINAL SKETCHBOOK)

    by J M Sage

    • Price$9.99
    • Rating4.0
    • Reviews2
    • Published2026-05

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  9. ENGENHARIA CROMÁTICA: AQUARELA BOTÂNICA: PROTOCOLOS ANALÍTICOS DE TRANSPORTE DE LUZ E DINÂ book cover by J M Sage

    ENGENHARIA CROMÁTICA: AQUARELA BOTÂNICA: PROTOCOLOS ANALÍTICOS DE TRANSPORTE DE LUZ E DINÂMICA DE FLUIDOS (Portuguese Edition)

    by J M Sage

    • Price$12.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  10. The Perspective Sketchbook: 100 Progressive Steps to Master Space, Scaffolding, and Depth  book cover by J M Sage

    The Perspective Sketchbook: 100 Progressive Steps to Master Space, Scaffolding, and Depth (LINEAR ENGINEERING.)

    by J M Sage

    • Price$34.99
    • Rating3.0
    • Reviews1
    • Published2026-03

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does J M Sage have on Amazon?

KDPTop tracks 72 of their books; 6 made an Amazon list in the last 30 days.

Which categories does J M Sage publish in?

Their books chart most often in Rendering & Ray Tracing, DirectX, Graphics & Visualization.

How does J M Sage price their books?

The median price is $16.99; half of the books cost $14.99–$24.99.

Has J M Sage released new books recently?

1 new book in the last 30 days, 1 of which reached a Best Sellers list.

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.