KDP categories · Top KDP authors
R.J. Mulligan: Amazon KDP author data
As of Nov 6, 2026, R.J. Mulligan has 11 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #3), mostly in Non-Sports Cards, Trading Card Games, Antiques & Collectibles.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $7.49 |
| Median reviews | 1 |
| Total reviews | 46 |
| New books (30 days) | 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.
- Median price $4.99, 67% below the median of their main category, Non-Sports Cards.
R.J. Mulligan's best-ranked books
-
Mastering Blue in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating5.0
- Reviews2
-
The Advanced Player's Guide to Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating4.2
- Reviews6
-
Mastering Colorless in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating5.0
- Reviews1
-
Mastering White in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating5.0
- Reviews1
-
Mastering Black in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating5.0
- Reviews1
-
The History of Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating3.9
- Reviews15
-
Mastering Red in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating4.0
- Reviews1
-
The History of Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$10.49
- Rating3.9
- Reviews15
-
Mastering Green in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$4.99
- Rating4.5
- Reviews2
-
Mastering White in Magic: The Gathering (Mastering the Colors of Magic: The Gathering)
by R.J. Mulligan
- Price$9.99
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does R.J. Mulligan have on Amazon?
KDPTop tracks 11 of their books; 11 made an Amazon list in the last 30 days.
Which categories does R.J. Mulligan publish in?
Their books chart most often in Non-Sports Cards, Trading Card Games, Antiques & Collectibles.
How does R.J. Mulligan price their books?
The median price is $4.99; half of the books cost $4.99–$7.49.
Has R.J. Mulligan 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.