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Gritward: Amazon KDP author data

As of Nov 6, 2026, Gritward has 15 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #11), mostly in Energy Efficiency, Plumbing & Household Automation, Construction.

15Books on Amazon
7Listed in 30 days
-Average rating
Median price$11.85
Price range (middle 50%)$9.99 – $11.99
Median reviews-
Total reviews0
New books (30 days)7
Breakout books (30 days)3

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What stands out

  • Median price $11.85, 38% below the median of their main category, Energy Efficiency.
  • 7 new books in the last 30 days, 3 of them broke into a Best Sellers list.

Gritward's best-ranked books

  1. Off-Grid Water Systems: A Practical Guide to Rainwater Harvesting, Water Storage, Pumps, F book cover by Gritward

    Off-Grid Water Systems: A Practical Guide to Rainwater Harvesting, Water Storage, Pumps, Filtration, Gravity Pressure, and Greywater Reuse (Gritward Field Guides Book 4)

    by Gritward

    • Price$9.99
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  2. Off-Grid Power Systems: A Practical Guide to Solar, Batteries, Wind, Micro-Hydro, Inverter book cover by Gritward

    Off-Grid Power Systems: A Practical Guide to Solar, Batteries, Wind, Micro-Hydro, Inverters, Generators, and Safe System Design (Gritward Field Guides Book 3)

    by Gritward

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Earth Tubes for Off-Grid Heating & Cooling: A Practical Guide to Ground-Coupled Ventilatio book cover by Gritward

    Earth Tubes for Off-Grid Heating & Cooling: A Practical Guide to Ground-Coupled Ventilation, Safe Moisture Control, and Realistic Performance (Gritward Field Guides Book 2)

    by Gritward

    • Price$6.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. Earth Tubes for Off-Grid Heating & Cooling: A Practical Guide to Ground-Coupled Ventilatio book cover by Gritward

    Earth Tubes for Off-Grid Heating & Cooling: A Practical Guide to Ground-Coupled Ventilation, Safe Moisture Control, and Realistic Performance (Gritward Field Guides)

    by Gritward

    • Price$11.71
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. Off-Grid Waste, Composting & Resource Recovery: A Practical Guide to Composting Toilets, O book cover by Gritward

    Off-Grid Waste, Composting & Resource Recovery: A Practical Guide to Composting Toilets, Organic Waste, Manure, Reuse, and Safe Sanitation Beyond the Grid (Gritward Field Guides Book 11)

    by Gritward

    • Price$4.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  6. Off-Grid Food Systems: A Comprehensive Guide to Soil Building, Water-Wise Gardens, Greenho book cover by Gritward

    Off-Grid Food Systems: A Comprehensive Guide to Soil Building, Water-Wise Gardens, Greenhouses, Aquaponics, Solar-Powered Fish Production, Fodder, ... and Year-Round Re (Gritward Field Guides)

    by Gritward

    • Price$29.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. DIY Off-Grid Septic Systems: A Practical Guide to Permitted Septic, RV Wastewater, and the book cover by Gritward

    DIY Off-Grid Septic Systems: A Practical Guide to Permitted Septic, RV Wastewater, and the Truth About 55-Gallon-Drum Systems (Gritward Field Guides Book 1)

    by Gritward

    • Price$0
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  8. Off-Grid Shelter Systems: A Comprehensive Guide to Site Planning, Foundations, Conventiona book cover by Gritward

    Off-Grid Shelter Systems: A Comprehensive Guide to Site Planning, Foundations, Conventional Construction, Natural Building, Earth-Sheltered Design, ... ... Structures (Gritward Field Guides Book 5)

    by Gritward

    • Price$11.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  9. Off-Grid Water Systems: A Practical Guide to Rainwater Harvesting, Water Storage, Pumps, F book cover by Gritward

    Off-Grid Water Systems: A Practical Guide to Rainwater Harvesting, Water Storage, Pumps, Filtration, Gravity Pressure, and Greywater Reuse (Gritward Field Guides)

    by Gritward

    • Price$19.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. Off-Grid Workshops, Tools & Repair: A Practical Guide to Workshop Design, Hand and Power T book cover by Gritward

    Off-Grid Workshops, Tools & Repair: A Practical Guide to Workshop Design, Hand and Power Tools, Welding, Fabrication, Diagnostics, Maintenance, Spare Parts, ... Repairs (Gritward Field Guides Book 8)

    by Gritward

    • Price$11.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Gritward have on Amazon?

KDPTop tracks 15 of their books; 7 made an Amazon list in the last 30 days.

Which categories does Gritward publish in?

Their books chart most often in Energy Efficiency, Plumbing & Household Automation, Construction.

How does Gritward price their books?

The median price is $11.85; half of the books cost $9.99–$11.99.

Has Gritward released new books recently?

7 new books in the last 30 days, 3 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.