KDP categories · Top KDP authors

Joel Robertson: Amazon KDP author data

As of Nov 6, 2026, Joel Robertson has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #2), mostly in Sports Psychology, Miscellaneous, Self-Help.

3Books on Amazon
3Listed in 30 days
4.9Average rating
Median price$14.99
Price range (middle 50%)$12.49 – $17.49
Median reviews10
Total reviews24
New listings (30 days, incl. new editions)2
Breakout books (30 days)2

Joel Robertson's best-ranked books

  1. Get a Grip: A climbers’ route to stronger mindset & better mental health book cover by Joel Robertson

    Get a Grip: A climbers’ route to stronger mindset & better mental health

    by Joel Robertson

    • Price$19.99
    • Rating5.0
    • Reviews10
    • Published2026-10

    View on Amazon · Full data on KDPTop

  2. Get a Grip: A climbers' route to stronger mindset & better mental health book cover by Joel Robertson

    Get a Grip: A climbers' route to stronger mindset & better mental health

    by Joel Robertson

    • Price$9.99
    • Rating5.0
    • Reviews10
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. Anxiety: Stress Management Guide For Overcoming Anxiety, Depression, Phobias, And Panic At book cover by Joel Robertson

    Anxiety: Stress Management Guide For Overcoming Anxiety, Depression, Phobias, And Panic Attacks Through Cognitive Behavioral Therapy, Hypnosis And ... (Understand Psychology and Remove Shyness)

    by Joel Robertson

    • Price$0
    • Rating4.7
    • Reviews4
    • Published2018-10

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Joel Robertson have on Amazon?

KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.

Which categories does Joel Robertson publish in?

Their books chart most often in Sports Psychology, Miscellaneous, Self-Help.

How does Joel Robertson price their books?

The median price is $14.99; half of the books cost $12.49–$17.49.

Has Joel Robertson released new books recently?

2 new books in the last 30 days, 2 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.