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Bob Martin: Amazon KDP author data
As of Nov 6, 2026, Bob Martin has 14 books on Amazon, 14 of them on a best-seller list in the last 30 days (best rank #12), mostly in Astronautics & Space Flight, Aeronautics & Astronautics, Aerospace.
| Median price | $14.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $14.99 |
| Median reviews | 4 |
| Total reviews | 14 |
| New books (30 days) | 11 |
| 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, 21% below the median of their main category, Astronautics & Space Flight.
- 11 new books in the last 30 days.
Bob Martin's best-ranked books
-
Expat Answerman: Favorite Recipes from the Philippines (Philippine Recipes Book 1)
by Bob Martin
- Price$2.99
- Rating5.0
- Reviews4
-
Expat Answerman: Survival Cebuano: Learn enough Cebuano, Bisaya, Visayan to have more fun in the Philippines (Expat Answerman: Philippines Book 5)
by Bob Martin
- Price$4.99
- Rating3.9
- Reviews9
-
Apollo 11: The First Moon Landing (Aerospace Missions)
by Bob Martin
- Price$14.99
- Rating5.0
- Reviews1
-
The Peacemaker
by Bob Martin
- Price$0
- Rating3.6
- Reviews7
- Published2011-03
-
Apollo 8: The First Journey to the Moon (Aerospace Missions)
by Bob Martin
- Price$14.99
- Reviews-
-
Freedom 7: America’s First Human Spaceflight (Aerospace Missions)
by Bob Martin
- Price$24.99
- Reviews-
-
Soyuz 11: The Tragedy of the First Space Station Crew (Aerospace Missions)
by Bob Martin
- Price$24.99
- Reviews-
-
Apollo 8: The First Journey to the Moon (Aerospace Missions)
by Bob Martin
- Price$5.99
- Reviews-
-
Gemini 4: America’s First Spacewalk (Aerospace Missions)
by Bob Martin
- Price$5.99
- Reviews-
-
Apollo 8: The First Journey to the Moon (Aerospace Missions)
by Bob Martin
- Price$24.99
- Reviews-
Main categories
FAQ
How many books does Bob Martin have on Amazon?
KDPTop tracks 14 of their books; 14 made an Amazon list in the last 30 days.
Which categories does Bob Martin publish in?
Their books chart most often in Astronautics & Space Flight, Aeronautics & Astronautics, Aerospace.
How does Bob Martin price their books?
The median price is $14.99; half of the books cost $5.99–$14.99.
Has Bob Martin released new books recently?
11 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.