KDP categories · Top KDP authors
R. Shankar: Amazon KDP author data
As of Nov 6, 2026, R. Shankar has 11 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #2), mostly in Optics, Mechanics, Nuclear Physics.
| Median price | $39.59 |
|---|---|
| Price range (middle 50%) | $29.92 – $44.30 |
| Median reviews | 260 |
| Total reviews | 2,688 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Amazon lists 2 author pages (separate Author IDs) under this name; this page combines them.
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
R. Shankar's best-ranked books
-
Principles of Quantum Mechanics, 2nd Edition
by R. Shankar
- Price$55.41
- Rating4.5
- Reviews418
- Published1994-08
-
Principles of Quantum Mechanics 2nd Edition, Kindle Edition
by R. Shankar
- Price$3.99
- Rating4.5
- Reviews418
-
Basic Training in Mathematics: A Fitness Program for Science Students (Physics and Astronomy)
by R. Shankar
- Price$38.57
- Rating4.2
- Reviews103
- Published2013-12
-
Fundamentals of Physics II: Electromagnetism, Optics, and Quantum Mechanics (The Open Yale Courses Series)
by R. Shankar
- Price$19.25
- Rating4.6
- Reviews102
-
Fundamentals of Physics I: Mechanics, Relativity, and Thermodynamics (The Open Yale Courses Series)
by R. Shankar
- Price$19.25
- Rating4.6
- Reviews396
-
Fundamentals of Physics I: Mechanics, Relativity, and Thermodynamics (Open Yale Courses)
by R. Shankar
- Price$35
- Rating4.6
- Reviews396
-
Basic Training in Mathematics: A Fitness Program for Science Students
by R. Shankar
- Price$40.60
- Rating4.2
- Reviews103
-
Fundamentals of Physics II: Electromagnetism, Optics, and Quantum Mechanics (Volume 2) (The Open Yale Courses Series)
by R. Shankar
- Price-
- Rating4.6
- Reviews127
-
Fundamentals of Physics II: Electromagnetism, Optics, and Quantum Mechanics (The Open Yale Courses Series Book 2)
by R. Shankar
- Price$11.99
- Rating4.6
- Reviews127
-
Fundamentals of Physics II: Electromagnetism, Optics, and Quantum Mechanics (The Open Yale Courses Series)
by R. Shankar
- Price$35
- Rating4.6
- Reviews102
Main categories
FAQ
How many books does R. Shankar have on Amazon?
KDPTop tracks 11 of their books; 11 made an Amazon list in the last 30 days.
Which categories does R. Shankar publish in?
Their books chart most often in Optics, Mechanics, Nuclear Physics.
How does R. Shankar price their books?
The median price is $39.59; half of the books cost $29.92–$44.30.
Has R. Shankar 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.