KDP categories · Top KDP authors
Mary Tillworth: Amazon KDP author data
As of Nov 6, 2026, Mary Tillworth has 19 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #2), mostly in Engineering & Transportation, Racing, Automotive.
| Median price | $5.58 |
|---|---|
| Price range (middle 50%) | $3.99 – $6.58 |
| Median reviews | 237 |
| Total reviews | 8,372 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $5.58, 67% below the median of their main category, Engineering & Transportation.
Mary Tillworth's best-ranked books
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Old Racers, New Racers (Disney/Pixar Cars 3) (Step into Reading, Step 1)
by Mary Tillworth
- Price$4.99
- Rating4.7
- Reviews832
-
Skate Like a Ninja! (Teenage Mutant Ninja Turtles) (Little Golden Book)
by Mary Tillworth
- Price$5.58
- Rating4.8
- Reviews743
-
Nala and Simba (Disney The Lion King) (Step into Reading, Step 2)
by Mary Tillworth
- Price$3.99
- Rating4.8
- Reviews514
-
Old Racers, New Racers (Disney/Pixar Cars 3) (Step into Reading, Step 1)
by Mary Tillworth
- Price$3.99
- Rating4.7
- Reviews831
-
Big Monster, Little Monster (Disney/Pixar Monsters University) (Step into Reading, Step 1)
by Mary Tillworth
- Price$3.99
- Rating4.2
- Reviews44
-
I AM BUZZ LIGHTYEAR
by Mary Tillworth
- Price$7
- Rating4.7
- Reviews1,654
- Published2011-08
-
Dino Parade! (Blaze and the Monster Machines) (Little Golden Book)
by Mary Tillworth
- Price$5.58
- Rating4.5
- Reviews1,210
- Published2017-01
-
Ready, Set, Tow! (Blaze and the Monster Machines) (Little Golden Book)
by Mary Tillworth
- Price$6.56
- Rating4.8
- Reviews752
- Published2018-01
-
Bouncy Tires! (Blaze and the Monster Machines) (Little Golden Book)
by Mary Tillworth
- Price$5.58
- Rating4.5
- Reviews496
- Published2016-01
-
Zeg and the Egg (Blaze and the Monster Machines) (Step into Reading)
by Mary Tillworth
- Price$4.64
- Rating4.8
- Reviews467
- Published2016-01
Main categories
FAQ
How many books does Mary Tillworth have on Amazon?
KDPTop tracks 19 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Mary Tillworth publish in?
Their books chart most often in Engineering & Transportation, Racing, Automotive.
How does Mary Tillworth price their books?
The median price is $5.58; half of the books cost $3.99–$6.58.
Has Mary Tillworth 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.