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William Gurstelle: Amazon KDP author data
As of Nov 6, 2026, William Gurstelle has 13 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #16), mostly in Experiments & Projects, Experiments, Instruments & Measurement, Mechanics.
| Median price | $13.45 |
|---|---|
| Price range (middle 50%) | $11.59 – $17.33 |
| Median reviews | 140 |
| Total reviews | 3,785 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 85% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $13.45, 20% below the median of their main category, Experiments & Projects.
William Gurstelle's best-ranked books
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Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices
by William Gurstelle
- Price$18.04
- Rating4.6
- Reviews1,040
-
The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, And More Ancient Artillery
by William Gurstelle
- Price$12.99
- Rating4.5
- Reviews140
-
Absinthe & Flamethrowers: Projects and Ruminations on the Art of Living Dangerously
by William Gurstelle
- Price$12.99
- Rating4.4
- Reviews307
-
Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices
by William Gurstelle
- Price$9.61
- Rating4.6
- Reviews1,040
-
The Practical Pyromaniac: Build Fire Tornadoes, One-Candlepower Engines, Great Balls of Fire, and More Incendiary Devices
by William Gurstelle
- Price$9.99
- Rating4.1
- Reviews74
-
Defending Your Castle: Build Catapults, Crossbows, Moats, Bulletproof Shields, and More Defensive Devices to Fend Off the Invading Hordes
by William Gurstelle
- Price$16.95
- Rating4.4
- Reviews588
-
Ready the Cannons!: Build Wiffle Ball Launchers, Beverage Bottle Bazookas, Hydro Swivel Guns, and Other Artisanal Artillery
by William Gurstelle
- Price$9.99
- Rating4.4
- Reviews24
-
ReMaking History, Volume 2: Industrial Revolutionaries
by William Gurstelle
- Price$11.59
- Rating4.5
- Reviews18
-
Absinthe & Flamethrowers: Projects and Ruminations on the Art of Living Dangerously
by William Gurstelle
- Price$16.06
- Rating4.4
- Reviews307
-
The Practical Pyromaniac: Build Fire Tornadoes, One-Candlepower Engines, Great Balls of Fire, and More Incendiary Devices
by William Gurstelle
- Price$32.41
- Rating4.1
- Reviews74
Main categories
FAQ
How many books does William Gurstelle have on Amazon?
KDPTop tracks 13 of their books; 11 made an Amazon list in the last 30 days.
Which categories does William Gurstelle publish in?
Their books chart most often in Experiments & Projects, Experiments, Instruments & Measurement, Mechanics.
How does William Gurstelle price their books?
The median price is $13.45; half of the books cost $11.59–$17.33.
Has William Gurstelle 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.