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Richard Sprague: Amazon KDP author data
As of Nov 6, 2026, Richard Sprague has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #18), mostly in History & Criticism, Science Fiction & Fantasy, Subjects & Themes.
| Median price | $7.49 |
|---|---|
| Price range (middle 50%) | $6.24 – $8.74 |
| Median reviews | 1 |
| Total reviews | 2 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $7.49, 55% below the median of their main category, History & Criticism.
Richard Sprague's best-ranked books
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Silo: The World Beneath: The Unofficial Guide to Hugh Howey's Books, the Apple TV Series, and the Ideas That Hold Them Together
by Richard Sprague
- Price$4.99
- Rating3.0
- Reviews1
- Published2026-09
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Silo: The World Beneath: The Unofficial Guide to Hugh Howey's Books, the Apple TV Series, and the Ideas That Hold Them Together
by Richard Sprague
- Price$9.99
- Rating3.0
- Reviews1
Main categories
FAQ
How many books does Richard Sprague have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Richard Sprague publish in?
Their books chart most often in History & Criticism, Science Fiction & Fantasy, Subjects & Themes.
How does Richard Sprague price their books?
The median price is $7.49; half of the books cost $6.24–$8.74.
Has Richard Sprague released new books recently?
2 new books 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.