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Joshua T Calvert: Amazon KDP author data
Joshua T Calvert has 81 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #2), mostly in Technothrillers, Hard Science Fiction, First Contact.
81Books on Amazon
8Listed in 30 days
4.3Average rating
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $7.99 |
| Median reviews | 696 |
| Total reviews | 122,666 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- Only 10% of the catalog charted in the last 30 days; sales rest on a few titles.
- Median price $6.99, 46% below the median of their main category, Technothrillers.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Joshua T Calvert's best-ranked books
-
Frequency: Hard Science Fiction
by Joshua T Calvert
- Price$6.99
- Rating4.6
- Reviews2,882
- Published2026-05
-
Nexus: A Science-Fiction Thriller
by Joshua T Calvert
- Price$6.99
- Rating4.3
- Reviews3,128
- Published2026-02
-
When the Light Died: An Apocalyptic Mystery Thriller (The Ark Book 1)
by Joshua T Calvert
- Price$4.99
- Rating4.2
- Reviews1,163
- Published2026-08
-
When the Light Failed: An Apocalyptic Mystery Thriller (The Ark Book 2)
by Joshua T Calvert
- Price$6.99
- Rating4.5
- Reviews651
-
Frequency 2
by Joshua T Calvert
- Price$6.99
- Rating4.6
- Reviews1,935
- Published2026-07
-
Nexus
by Joshua T Calvert
- Price$16.05
- Rating4.3
- Reviews3,128
- Published2026-06
-
The Rift: A Science-Fiction Thriller
by Joshua T Calvert
- Price$3.49
- Rating4.2
- Reviews4,896
- Published2025-02
-
When the Light Returned: An Apocalyptic Mystery Thriller (The Ark Book 3)
by Joshua T Calvert
- Price$6.99
- Reviews-
-
The Object: Hard Science Fiction
by Joshua T Calvert
- Price$0
- Rating4.3
- Reviews11,613
- Published2024-02
-
The Object: A Novel
by Joshua T Calvert
- Price$0.99
- Rating4.3
- Reviews11,612
- Published2024-05
Main categories
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.