KDP categories · Top KDP authors
Chad Orzel: Amazon KDP author data
As of Nov 6, 2026, Chad Orzel has 12 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #5), mostly in Science & Scientists, Quantum Theory, Measurement.
| Median price | $13.99 |
|---|---|
| Price range (middle 50%) | $10.07 – $17.67 |
| Median reviews | 203 |
| Total reviews | 4,730 |
| 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.
Chad Orzel's best-ranked books
-
A Brief History of Timekeeping: The Science of Marking Time, from Stonehenge to Atomic Clocks
by Chad Orzel
- Price$9.99
- Rating4.3
- Reviews143
-
How to Teach Quantum Physics to Your Dog
by Chad Orzel
- Price$13.99
- Rating4.5
- Reviews1,081
-
A Brief History of Timekeeping: The Science of Marking Time, from Stonehenge to Atomic Clocks
by Chad Orzel
- Price$16.95
- Rating4.3
- Reviews143
-
How to Teach Relativity to Your Dog
by Chad Orzel
- Price$21.99
- Rating4.3
- Reviews204
-
A Brief History of Timekeeping: The Science of Marking Time, from Stonehenge to Atomic Clocks
by Chad Orzel
- Price$18.39
- Rating4.3
- Reviews143
-
How to Teach Quantum Physics to Your Dog
by Chad Orzel
- Price$10.15
- Rating4.5
- Reviews1,082
-
How to Teach Relativity to Your Dog
by Chad Orzel
- Price$12.99
- Rating4.3
- Reviews203
-
How to Teach Relativity to Your Dog
by Chad Orzel
- Price$9.96
- Rating4.3
- Reviews203
-
Breakfast with Einstein: The Exotic Physics of Everyday Objects
by Chad Orzel
- Price$16.95
- Rating4.4
- Reviews121
-
How to Teach Physics to Your Dog
by Chad Orzel
- Price$25.99
- Rating4.5
- Reviews1,082
Main categories
FAQ
How many books does Chad Orzel have on Amazon?
KDPTop tracks 12 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Chad Orzel publish in?
Their books chart most often in Science & Scientists, Quantum Theory, Measurement.
How does Chad Orzel price their books?
The median price is $13.99; half of the books cost $10.07–$17.67.
Has Chad Orzel 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.