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Mark Farrell: Amazon KDP author data
Mark Farrell has 27 books on Amazon, 15 of them on a best-seller list in the last 30 days (best rank #1), mostly in Irrigation, Agricultural Sciences, Energy Production & Extraction.
27Books on Amazon
15Listed in 30 days
4.8Average rating
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $10.99 – $19.99 |
| Median reviews | 15 |
| Total reviews | 756 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 5 |
What stands out
- 56% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.99, 46% below the median of their main category, Irrigation.
- 9 new books in the last 30 days, 5 of them broke into a Best Sellers list.
Mark Farrell's best-ranked books
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The Off-Grid Survival Projects Handbook: 74 Step-by-Step DIY Projects with Measurements, Diagrams, and Materials Lists to Secure Water, Power, Food, Heat, and Shelter Off the Grid
by Mark Farrell
- Price$0.99
- Rating4.8
- Reviews43
- Published2026-08
-
The Off-Grid Survival Projects Handbook, Volume 2: 69 Step-by-Step Projects for Cold Nights, Dead Taps, Empty Shelves, and Everything in Between
by Mark Farrell
- Price$0.99
- Rating4.9
- Reviews10
- Published2026-10
-
The Off-Grid Survival Projects Handbook: 74 Step-by-Step DIY Projects with Measurements, Diagrams, and Materials Lists to Secure Water, Power, Food, Heat, and Shelter Off the Grid
by Mark Farrell
- Price$24.99
- Rating4.8
- Reviews43
- Published2026-07
-
Medicare Decoded: Help That Doesn’t Sell You Anything (Everything They Should Have Told You at 64 ¾)
by Mark Farrell
- Price$11.99
- Rating4.8
- Reviews133
- Published2026-05
-
The Off-Grid Survival Projects Handbook, Volume 2: 69 Step-by-Step Projects for Cold Nights, Dead Taps, Empty Shelves, and Everything in Between
by Mark Farrell
- Price$23.99
- Rating4.9
- Reviews10
-
Real Estate License Exam Prep: The Proven AI Study Method to Pass the National Real Estate Exam on Your First Try
by Mark Farrell
- Price$10.99
- Rating4.8
- Reviews82
- Published2026-06
-
UNFAIR ADVANTAGE: REAL ESTATE AI: The Top 260 Strategic Prompts for Residential Real Estate Agents (The Unfair Advantage: Real Estate AI Series)
by Mark Farrell
- Price$2.99
- Rating4.7
- Reviews111
-
Medicare Decoded: Help That Doesn’t Sell You Anything (Everything They Should Have Told You at 64 ¾)
by Mark Farrell
- Price$22.99
- Rating4.8
- Reviews133
-
Open the FAFSA Without Breaking It: A Parent and Student Guide to the 2027-28 Form: Contributors, IRS Consent, School Lists and What Happens After You Submit
by Mark Farrell
- Price$12.99
- Rating5.0
- Reviews9
-
Here's Where Everything Is: What to Do When Someone You Love Dies: An End of Life Planner and Step-by-Step Guide for the Family Left Behind
by Mark Farrell
- Price$16.99
- Rating5.0
- Reviews4
Main categories
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.