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Ethan Caldwell: Amazon KDP author data

As of Nov 6, 2026, Ethan Caldwell has 134 books on Amazon, 49 of them on a best-seller list in the last 30 days (best rank #10), mostly in Chronic Pain, Immune Systems, Women's Health.

134Books on Amazon
49Listed in 30 days
4.4Average rating
Median price$6.99
Price range (middle 50%)$5.99 – $14.24
Median reviews1
Total reviews84
New books (30 days)36
Breakout books (30 days)10

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What stands out

  • Amazon lists 3 author pages (separate Author IDs) under this name; this page combines them.
  • 36 new books in the last 30 days, 10 of them broke into a Best Sellers list.

Ethan Caldwell's best-ranked books

  1. Understanding Epilepsy: A Comprehensive Clinical and Practical Guide to Diagnosis, Treatme book cover by Ethan Caldwell

    Understanding Epilepsy: A Comprehensive Clinical and Practical Guide to Diagnosis, Treatment, and Seizure Control (The Complete Epilepsy Clinical Series Book 1)

    by Ethan Caldwell

    • Price$4.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. You Are Not Crazy, You Are Not Alone: The No-BS Lupus Blueprint to Reclaim Your Body, Your book cover by Ethan Caldwell

    You Are Not Crazy, You Are Not Alone: The No-BS Lupus Blueprint to Reclaim Your Body, Your Identity, and Your Life -- Without Guilt, Without Apology

    by Ethan Caldwell

    • Price$6.99
    • Reviews-
    • Published2026-03

    View on Amazon · Full data on KDPTop

  3. ROCKET PROPULSION ELEMENTS: Principles of Rocket Engine Analysis, Design, and Performance book cover by Ethan Caldwell

    ROCKET PROPULSION ELEMENTS: Principles of Rocket Engine Analysis, Design, and Performance

    by Ethan Caldwell

    • Price$66.33
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  4. THE RED SEA POWER SHIFT: China, Iran, Yemen, and the Battle for Bab el-Mandeb book cover by Ethan Caldwell

    THE RED SEA POWER SHIFT: China, Iran, Yemen, and the Battle for Bab el-Mandeb

    by Ethan Caldwell

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. THE AI TRADING AGENT: How to Build an Intelligent AI Agent That Analyzes Markets, Monitors book cover by Ethan Caldwell

    THE AI TRADING AGENT: How to Build an Intelligent AI Agent That Analyzes Markets, Monitors Trades, Automates Workflows, and Executes Trading Tasks

    by Ethan Caldwell

    • Price$5.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. HANDBOOK OF WELDED STEEL STRUCTURE DESIGN: Analysis, Detailing, and Fabrication of Load-Be book cover by Ethan Caldwell

    HANDBOOK OF WELDED STEEL STRUCTURE DESIGN: Analysis, Detailing, and Fabrication of Load-Bearing Connections Under AISC and AWS Standards

    by Ethan Caldwell

    • Price$54.95
    • Rating5.0
    • Reviews3
    • Published2026-09

    View on Amazon · Full data on KDPTop

  7. THE NERVOUS SYSTEM RESET PLANNER FOR ADHD: Executive Function in 52 Weeks: From Dysregulat book cover by Ethan Caldwell

    THE NERVOUS SYSTEM RESET PLANNER FOR ADHD: Executive Function in 52 Weeks: From Dysregulated to Daily Calm & Focus (The Nervous System Rewire Series)

    by Ethan Caldwell

    • Price$6.99
    • Rating4.0
    • Reviews10
    • Published2026-01

    View on Amazon · Full data on KDPTop

  8. The Fibromyalgia Nervous System Reset: A Step-by-Step Plan to Calm Chronic Pain and Reclai book cover by Ethan Caldwell

    The Fibromyalgia Nervous System Reset: A Step-by-Step Plan to Calm Chronic Pain and Reclaim Your Energy When Your Body's Alarm Is Stuck On (The Nervous System Rewire Series)

    by Ethan Caldwell

    • Price$5.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  9. THE 10-MINUTE NERVOUS SYSTEM RESET: A Science-Backed Manual to Calm Anxiety, Release Traum book cover by Ethan Caldwell

    THE 10-MINUTE NERVOUS SYSTEM RESET: A Science-Backed Manual to Calm Anxiety, Release Trauma, and Reclaim Your Life in Just 10 Minutes a Day (The Nervous System Rewire Series)

    by Ethan Caldwell

    • Price$6.99
    • Rating4.6
    • Reviews11
    • Published2026-01

    View on Amazon · Full data on KDPTop

  10. The Wacky Chemistry Lab Book for Teens and Young Adults: Mind-Blowing Chemistry, Epic Expe book cover by Ethan Caldwell

    The Wacky Chemistry Lab Book for Teens and Young Adults: Mind-Blowing Chemistry, Epic Experiments, and Real-World Science Through Fun Stories, STEM ... Amazing Facts, and Safe Hands-On Adventures

    by Ethan Caldwell

    • Price$15.79
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Ethan Caldwell have on Amazon?

KDPTop tracks 134 of their books; 49 made an Amazon list in the last 30 days.

Which categories does Ethan Caldwell publish in?

Their books chart most often in Chronic Pain, Immune Systems, Women's Health.

How does Ethan Caldwell price their books?

The median price is $6.99; half of the books cost $5.99–$14.24.

Has Ethan Caldwell released new books recently?

36 new books in the last 30 days, 10 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.