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J. E. Alvarez: Amazon KDP author data

As of Nov 6, 2026, J. E. Alvarez has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #3), mostly in Toys, Dolls, Toys & Figurines, History & Price Guides.

5Books on Amazon
5Listed in 30 days
4.5Average rating
Median price$33.76
Price range (middle 50%)$26.96 – $38.16
Median reviews23
Total reviews339
New books (30 days)2
Breakout books (30 days)2

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What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $33.76, 78% above the median of their main category, Toys.

J. E. Alvarez's best-ranked books

  1. Unofficial Guide to Vintage Transformers: 1980s Through 1990s, 2nd Edition book cover by J. E. Alvarez

    Unofficial Guide to Vintage Transformers: 1980s Through 1990s, 2nd Edition

    by J. E. Alvarez

    • Price$17.99
    • Rating4.3
    • Reviews11

    View on Amazon · Full data on KDPTop

  2. The Unofficial Guide to Vintage Transformers: 1980s Through 1990s book cover by J. E. Alvarez

    The Unofficial Guide to Vintage Transformers: 1980s Through 1990s

    by J. E. Alvarez

    • Price-
    • Rating4.8
    • Reviews261

    View on Amazon · Full data on KDPTop

  3. Unofficial Guide to Vintage Transformers: 1980s Through 1990s, 2nd Edition book cover by J. E. Alvarez

    Unofficial Guide to Vintage Transformers: 1980s Through 1990s, 2nd Edition

    by J. E. Alvarez

    • Price$37.56
    • Rating4.3
    • Reviews11

    View on Amazon · Full data on KDPTop

  4. Transformers Collectibles: Unofficial Guide book cover by J. E. Alvarez

    Transformers Collectibles: Unofficial Guide

    by J. E. Alvarez

    • Price$39.95
    • Rating4.4
    • Reviews23

    View on Amazon · Full data on KDPTop

  5. Beast Wars Transformers: The Unofficial Guide with Price Guide (A Schiffer Book for Collec book cover by J. E. Alvarez

    Beast Wars Transformers: The Unofficial Guide with Price Guide (A Schiffer Book for Collectors)

    by J. E. Alvarez

    • Price$29.95
    • Rating4.7
    • Reviews33

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does J. E. Alvarez have on Amazon?

KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.

Which categories does J. E. Alvarez publish in?

Their books chart most often in Toys, Dolls, Toys & Figurines, History & Price Guides.

How does J. E. Alvarez price their books?

The median price is $33.76; half of the books cost $26.96–$38.16.

Has J. E. Alvarez 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.