KDP categories · Top KDP authors
Ryan Foster: Amazon KDP author data
As of Nov 6, 2026, Ryan Foster has 19 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #33), mostly in Diabetic & Sugar-Free, Low Salt, Personal Computers.
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $6.99 – $14.14 |
| Median reviews | 9 |
| Total reviews | 107 |
| New books (30 days) | 13 |
| Breakout books (30 days) | 4 |
What stands out
- 68% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 13 new books in the last 30 days, 4 of them broke into a Best Sellers list.
Ryan Foster's best-ranked books
-
GPU Guide for Local LLMs: Hardware, Cost, and Performance Tradeoffs Explained
by Ryan Foster
- Price$2.99
- Rating5.0
- Reviews1
-
The Forgotten Remedy Shelf: 300 Home Remedies for Everyday Complaints, Organized by Symptom | Honest Evidence for Every Remedy | Kitchen Ingredients and When to See a Doctor
by Ryan Foster
- Price$9.99
- Rating4.2
- Reviews15
-
Heart Healthy Cookbook for Two with Pictures: 100 Easy Low Sodium Recipes for Seniors Over 60, with a Photo and Nutrition Facts for Every Recipe and a 30-Day Meal Plan
by Ryan Foster
- Price$6.99
- Rating5.0
- Reviews1
-
Diabetic Cookbook for Seniors with Pictures: 100 Easy Low-Carb, Low-Sugar Recipes for One or Two, with Nutrition Facts on Every Recipe and a 30-Day Meal Plan
by Ryan Foster
- Price$6.99
- Reviews-
- Published2026-10
-
![The Ultimate Military Home Defense Bible: [5 in 1] Transform Your Home Into an Elite Secur book cover by Ryan Foster](https://images-na.ssl-images-amazon.com/images/I/91-nfdMKDGL._AC_UL300_SR300,200_.jpg)
The Ultimate Military Home Defense Bible: [5 in 1] Transform Your Home Into an Elite Security Bunker and Defend Your Family with Navy SEAL-Proof Bug-In Strategies for Any Crisis
by Ryan Foster
- Price$9.99
- Reviews-
- Published2025-03
-
A Cozy Bible Story Advent Calendar for Kids: 25 Nights of Illustrated Bible Stories in full color, Bedtime Prayers, Family Faith & Read-aloud for Ages 3-6 (The Verity House Collection)
by Ryan Foster
- Price$15.19
- Rating4.8
- Reviews32
-
Systematic Theology For Teens : The Blueprint for Building an Unshakeable Faith in a Confusing World – A Complete Guide to the 8 Core Doctrines Every ... Needs to Know (The Verity House Collection)
by Ryan Foster
- Price$2.99
- Rating4.8
- Reviews25
- Published2026-01
-
The Young Builder’s Guide to Systematic Theology: An Interactive Devotional to build a Biblical Worldview for Ages 8–12 (The Verity House Collection)
by Ryan Foster
- Price$0
- Rating4.6
- Reviews16
- Published2026-01
-
The Complete Bible Study Guide and Workbook for Beginners: Understand the Bible in 30 Days: A 10-Minute Daily Guide and Workbook to Deepen Your Faith and ... Confusion (The Verity House Collection)
by Ryan Foster
- Price$6.99
- Rating4.6
- Reviews9
-
The Complete Bible Study Guide and Workbook for Beginners: Understand the Bible in 30 Days: A 10-Minute Daily Guide and Workbook to Deepen Your Faith ... Confusion (The Verity House Collection)
by Ryan Foster
- Price$14.99
- Rating4.6
- Reviews9
- Published2026-04
Main categories
FAQ
How many books does Ryan Foster have on Amazon?
KDPTop tracks 19 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Ryan Foster publish in?
Their books chart most often in Diabetic & Sugar-Free, Low Salt, Personal Computers.
How does Ryan Foster price their books?
The median price is $6.99; half of the books cost $6.99–$14.14.
Has Ryan Foster released new books recently?
13 new books in the last 30 days, 4 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.