KDP categories · Top KDP authors
Bill Gifford: Amazon KDP author data
As of Nov 6, 2026, Bill Gifford has 9 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #1), mostly in For the Aging, Injuries & Rehabilitation, Climatology.
| Median price | $13.33 |
|---|---|
| Price range (middle 50%) | $9.99 – $22.79 |
| Median reviews | 486 |
| Total reviews | 45,342 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 89% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Bill Gifford's best-ranked books
-
Outlive: The Science and Art of Longevity
by Bill Gifford
- Price$14.94
- Rating4.6
- Reviews21,468
- Published2023-03
-
Outlive: The Science and Art of Longevity
by Bill Gifford
- Price$9.99
- Rating4.6
- Reviews21,465
- Published2023-03
-
Hotwired: How the Hidden Power of Heat Makes Us Stronger – A Science-Based Guide to Heat Adaptation, Sweat Therapy, and Peak Performance
by Bill Gifford
- Price$17.81
- Rating3.9
- Reviews29
-
Hotwired: How the Hidden Power of Heat Makes Us Stronger – A Science-Based Guide to Heat Adaptation, Sweat Therapy, and Peak Performance
by Bill Gifford
- Price$10.99
- Rating3.9
- Reviews29
-
Spring Chicken: Stay Young Forever (or Die Trying)
by Bill Gifford
- Price$23.09
- Rating4.4
- Reviews678
-
Spring Chicken: Stay Young Forever (or Die Trying)
by Bill Gifford
- Price$9.78
- Rating4.4
- Reviews678
-
Hotwired: How the Hidden Power of Heat Makes Us Stronger
by Bill Gifford
- Price$22.79
- Rating3.9
- Reviews29
- Published2026-03
-
Sin límites: Outlive (Spanish Edition)
by Bill Gifford
- Price$13.33
- Rating4.6
- Reviews485
-
Sin límites (Outlive): La ciencia y el arte de la longevidad (Spanish Edition)
by Bill Gifford
- Price$25.63
- Rating4.6
- Reviews486
Main categories
FAQ
How many books does Bill Gifford have on Amazon?
KDPTop tracks 9 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Bill Gifford publish in?
Their books chart most often in For the Aging, Injuries & Rehabilitation, Climatology.
How does Bill Gifford price their books?
The median price is $13.33; half of the books cost $9.99–$22.79.
Has Bill Gifford 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.