KDP categories · Top KDP authors
Marty Machowski: Amazon KDP author data
As of Nov 6, 2026, Marty Machowski has 30 books on Amazon, 22 of them on a best-seller list in the last 30 days (best rank #8), mostly in Historical, Reference & Interpretation, Study.
| Median price | $17.99 |
|---|---|
| Price range (middle 50%) | $13.63 – $21.83 |
| Median reviews | 62 |
| Total reviews | 7,623 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 1 |
What stands out
- 73% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $17.99, 69% above the median of their main category, Historical.
- 4 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Marty Machowski's best-ranked books
-
The Ology: Ancient Truths, Ever New (The Kid's Theology Series)
by Marty Machowski
- Price$30.73
- Rating4.9
- Reviews1,627
-
-
God Made Boys and Girls: Helping Children Understand the Gift of Gender (God Made Me)
by Marty Machowski
- Price$17.99
- Rating4.8
- Reviews639
-
The Gospel Story Bible: Discovering Jesus in the Old and New Testaments
by Marty Machowski
- Price$18.81
- Rating4.8
- Reviews619
-
The Sword: Magnus and the Mystery of Romans
by Marty Machowski
- Price$27.02
- Rating4.7
- Reviews22
-
Long Story Short: Ten-Minute Devotions to Draw Your Family to God
by Marty Machowski
- Price$19.99
- Rating4.7
- Reviews770
-
Long Story Short: Ten-Minute Devotions to Draw Your Family to God
by Marty Machowski
- Price$18.49
- Rating4.7
- Reviews770
-
The Light Before Christmas: A Family Advent Devotional
by Marty Machowski
- Price$19.99
- Rating4.5
- Reviews19
-
Brave and Bold: 31 Devotions to Strengthen Men
by Marty Machowski
- Price$12.19
- Rating4.6
- Reviews38
-
The Ology: Ancient Truths, Ever New
by Marty Machowski
- Price$24.99
- Rating4.9
- Reviews1,625
Main categories
FAQ
How many books does Marty Machowski have on Amazon?
KDPTop tracks 30 of their books; 22 made an Amazon list in the last 30 days.
Which categories does Marty Machowski publish in?
Their books chart most often in Historical, Reference & Interpretation, Study.
How does Marty Machowski price their books?
The median price is $17.99; half of the books cost $13.63–$21.83.
Has Marty Machowski released new books recently?
4 new books in the last 30 days, 1 of which reached a Best Sellers list.
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.