KDP categories · Top KDP authors
Joshua Hammer: Amazon KDP author data
As of Nov 6, 2026, Joshua Hammer has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #2), mostly in Alphabet, Iraq, Mesopotamia.
| Median price | $14.99 |
|---|---|
| Price range (middle 50%) | $14.03 – $16.99 |
| Median reviews | 580 |
| Total reviews | 6,927 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
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 $14.99, 50% above the median of their main category, Alphabet.
Joshua Hammer's best-ranked books
-
The Falcon Thief: A True Tale of Adventure, Treachery, and the Hunt for the Perfect Bird (A Wild True Crime Adventure)
by Joshua Hammer
- Price$13.99
- Rating4.3
- Reviews580
-
The Falcon Thief: A True Tale of Adventure, Treachery, and the Hunt for the Perfect Bird (A Wild True Crime Adventure)
by Joshua Hammer
- Price$14.03
- Rating4.3
- Reviews580
-
The Bad-Ass Librarians of Timbuktu: And Their Race to Save the World's Most Precious Manuscripts
by Joshua Hammer
- Price$13.99
- Rating4.1
- Reviews1,703
- Published2016-04
-
The Bad-Ass Librarians of Timbuktu: And Their Race to Save the World's Most Precious Manuscripts
by Joshua Hammer
- Price$17.38
- Rating4.1
- Reviews1,703
-
Bad-Ass Librarians of Timbuktu: And Their Race to Save the World's Most Precious Manuscripts
by Joshua Hammer
- Price$14.95
- Rating4.1
- Reviews1,703
-
The Mesopotamian Riddle: An Archaeologist, a Soldier, a Clergyman, and the Race to Decipher the World's Oldest Writing
by Joshua Hammer
- Price$14.99
- Rating4.5
- Reviews210
-
The Mesopotamian Riddle: An Archaeologist, a Soldier, a Clergyman, and the Race to Decipher the World's Oldest Writing
by Joshua Hammer
- Price$16.15
- Rating4.5
- Reviews210
-
The Mesopotamian Riddle: An Archaeologist, a Soldier, a Clergyman and the Race to Decipher the World's Oldest Writing
by Joshua Hammer
- Price$16.99
- Rating4.5
- Reviews210
-
Yokohama Burning: The Deadly 1923 Earthquake and Fire that Helped Forge the Path to World War II
by Joshua Hammer
- Price$20.72
- Rating4.3
- Reviews28
Main categories
FAQ
How many books does Joshua Hammer have on Amazon?
KDPTop tracks 9 of their books; 9 made an Amazon list in the last 30 days.
Which categories does Joshua Hammer publish in?
Their books chart most often in Alphabet, Iraq, Mesopotamia.
How does Joshua Hammer price their books?
The median price is $14.99; half of the books cost $14.03–$16.99.
Has Joshua Hammer released new books recently?
0 new books in the last 30 days.
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.