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John Necessary: Amazon KDP author data
As of Nov 6, 2026, John Necessary has 75 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #3), mostly in Heating, Ventilation & Air Conditioning, Energy Efficiency, Consumer Guides.
| Median price | $6.81 |
|---|---|
| Price range (middle 50%) | $4.15 – $10.89 |
| Median reviews | 1 |
| Total reviews | 29 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $6.81, 32% below the median of their main category, Heating, Ventilation & Air Conditioning.
John Necessary's best-ranked books
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Ancient Heating Methods for Power Outages: Forgotten Ways to Keep Your Home Warm Without Electricity When the Grid Goes Down (Prepare for a Crisis)
by John Necessary
- Price$6.99
- Reviews-
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ANCIENT WATER STORAGE SYSTEMS: Forgotten Methods to Help Drought-Proof Your Home (Prepare for a Crisis)
by John Necessary
- Price$10.19
- Reviews-
- Published2026-06
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ANCIENT WATER STORAGE SYSTEMS: Forgotten Methods to Help Drought-Proof Your Home (Prepare for a Crisis)
by John Necessary
- Price$6.99
- Reviews-
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When the Refrigerator Goes Silent: Ancient Methods to Preserve, Store, and Prepare Food During Blackouts, Disasters, War, and Supply Shortages (Prepare for a Crisis)
by John Necessary
- Price$6.99
- Reviews-
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30+ DIY Solar Energy Projects: Practical Solutions to Generate Free, Sustainable Power for Your Home and Garden (Prepare for a Crisis)
by John Necessary
- Price$5.99
- Rating5.0
- Reviews1
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Blackout-Proof Home 2025–2026 — Pick Your Backup: Battery, Solar, Generator, or EV V2H (No Jargon, Just What Works) (Prepare for a Crisis)
by John Necessary
- Price$3.78
- Reviews-
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ROMAN CONCRETE, REBORN: Lime, Pozzolan & the Secrets of Ancient Strength—For Safe Home Projects (Prepare for a Crisis)
by John Necessary
- Price$5.59
- Rating5.0
- Reviews1
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Cool Without Power: Ancient Cooling Systems That Still Work Today (How to Cool Your Home Without Air Conditioning or Electricity) (Prepare for a Crisis)
by John Necessary
- Price$6.99
- Rating3.0
- Reviews1
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Ancient Heating Methods for Power Outages: Forgotten Ways to Keep Your Home Warm Without Electricity When the Grid Goes Down (Prepare for a Crisis)
by John Necessary
- Price$16.99
- Reviews-
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Monkeypox After Smallpox: The Unseen Crisis of a New Zoonotic Threat (Prepare for a Crisis)
by John Necessary
- Price$6.64
- Reviews-
Main categories
FAQ
How many books does John Necessary have on Amazon?
KDPTop tracks 75 of their books; 13 made an Amazon list in the last 30 days.
Which categories does John Necessary publish in?
Their books chart most often in Heating, Ventilation & Air Conditioning, Energy Efficiency, Consumer Guides.
How does John Necessary price their books?
The median price is $6.81; half of the books cost $4.15–$10.89.
Has John Necessary released new books recently?
2 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.