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Rory Cadderly: Amazon KDP author data

As of Nov 6, 2026, Rory Cadderly has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #4), mostly in Antiques & Collectibles, Sports Memorabilia & Cards, Antiques Care & Reference.

2Books on Amazon
2Listed in 30 days
4.5Average rating
Median price$12.46
Price range (middle 50%)$10.20 – $14.73
Median reviews2
Total reviews4
New books (30 days)2
Breakout books (30 days)2

What stands out

  • Median price $12.46, 46% below the median of their main category, Antiques & Collectibles.

Rory Cadderly's best-ranked books

  1. The Smart Baseball Card Price Guide 2027: The Ultimate Collector’s Handbook to Vintage & M book cover by Rory Cadderly

    The Smart Baseball Card Price Guide 2027: The Ultimate Collector’s Handbook to Vintage & Modern Cards, PSA Grading, Value Checklists, and Market Trends

    by Rory Cadderly

    • Price$7.94
    • Rating4.5
    • Reviews2

    View on Amazon · Full data on KDPTop

  2. The Smart Baseball Card Price Guide 2027: The Ultimate Collector’s Handbook to Vintage & M book cover by Rory Cadderly

    The Smart Baseball Card Price Guide 2027: The Ultimate Collector’s Handbook to Vintage & Modern Cards, PSA Grading, Value Checklists, and Market Trends

    by Rory Cadderly

    • Price$16.99
    • Rating4.5
    • Reviews2

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Rory Cadderly have on Amazon?

KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.

Which categories does Rory Cadderly publish in?

Their books chart most often in Antiques & Collectibles, Sports Memorabilia & Cards, Antiques Care & Reference.

How does Rory Cadderly price their books?

The median price is $12.46; half of the books cost $10.20–$14.73.

Has Rory Cadderly 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.