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John Allison: Amazon KDP author data
As of Nov 6, 2026, John Allison has 29 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #48), mostly in Mystery & Detective, Paranormal, Coming of Age.
| Median price | $11.99 |
|---|---|
| Price range (middle 50%) | $9.99 – $14.99 |
| Median reviews | 96 |
| Total reviews | 5,439 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $11.99, 50% above the median of their main category, Mystery & Detective.
John Allison's best-ranked books
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Bad Machinery Vol. 1: The Case of the Team Spirit
by John Allison
- Price$9.99
- Rating4.6
- Reviews111
-
Bad Machinery Vol. 2: The Case of the Good Boy
by John Allison
- Price$9.99
- Rating4.8
- Reviews217
-
Bad Machinery Vol. 3: The Case of the Simple Soul
by John Allison
- Price$9.99
- Rating4.7
- Reviews91
-
Bad Machinery Vol. 10: The Case of the Severed Alliance, Pocket Edition
by John Allison
- Price$9.99
- Rating4.8
- Reviews43
-
Bad Machinery Vol. 7: The Case of the Forked Road
by John Allison
- Price$9.59
- Rating4.6
- Reviews38
-
Bad Machinery Vol. 8: The Case of the Modern Men, Pocket Edition
by John Allison
- Price$9.99
- Rating4.6
- Reviews39
-
The Quotable Giant Days
by John Allison
- Price$11.99
- Rating4.8
- Reviews12
-
Bad Machinery Vol. 9: The Case of the Missing Piece
by John Allison
- Price$9.99
- Rating4.7
- Reviews42
-
Bad Machinery Vol. 4: The Case of the Lonely One
by John Allison
- Price$14.99
- Rating4.6
- Reviews42
-
Bad Machinery Vol. 6: The Case of the Unwelcome Visitor
by John Allison
- Price$9.99
- Rating4.7
- Reviews40
Main categories
FAQ
How many books does John Allison have on Amazon?
KDPTop tracks 29 of their books; 13 made an Amazon list in the last 30 days.
Which categories does John Allison publish in?
Their books chart most often in Mystery & Detective, Paranormal, Coming of Age.
How does John Allison price their books?
The median price is $11.99; half of the books cost $9.99–$14.99.
Has John Allison released new books recently?
1 new book 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.