KDP categories · Top KDP authors
Engr Robert A C: Amazon KDP author data
As of Nov 6, 2026, Engr Robert A C has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #6), mostly in Suspension & Chassis, Trucks & Vans, Repair.
| Median price | $23.99 |
|---|---|
| Price range (middle 50%) | $10.74 – $35 |
| Median reviews | 4 |
| Total reviews | 21 |
| New listings (30 days, incl. new editions) | 6 |
| Breakout books (30 days) | 5 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $23.99, 27% below the median of their main category, Suspension & Chassis.
- 6 new listings in the last 30 days (new editions included), 5 of them broke into a Best Sellers list.
Engr Robert A C's best-ranked books
-
RAM 1500 2020–2026 REPAIR & MAINTENANCE MANUAL: Practical Workshop Guide to Maintenance, Diagnostics, Troubleshooting, Engine Systems, Transmission, Drivetrain, Brakes, Suspension, Electrical System
by Engr Robert A C
- Price$38
- Rating5.0
- Reviews4
-
FORD F-150 2020–2024 Repair & Maintenance Manual: A Practical Workshop Guide to Maintenance, Diagnostics, Troubleshooting, Engine Systems, Transmission, Drivetrain, Brakes, Suspension
by Engr Robert A C
- Price$9.99
- Rating4.8
- Reviews5
-
FORD F-150 2020–2024 Repair & Maintenance Manual: A Practical Workshop Guide to Maintenance, Diagnostics, Troubleshooting, Engine Systems, Transmission, Drivetrain, Brakes, Suspension
by Engr Robert A C
- Price$35
- Rating4.8
- Reviews5
-
TOYOTA TUNDRA 2000 - 2026 Repair, Diagnostic and Maintenance Manual: Complete Guide to Maintenance, Repairs, Troubleshooting, Wiring Diagrams, and Specifications
by Engr Robert A C
- Price$12.99
- Rating5.0
- Reviews1
-
Honda Ridgeline 2013 - 2017 Automotive Repair Manual: A Practical Workshop Guide to Maintenance, Diagnostics, Engine, Transmission, Brakes, Suspension, Electrical Systems, Wiring, and Troubleshooting
by Engr Robert A C
- Price$35
- Rating4.6
- Reviews3
-
RAM 1500 2020–2026 REPAIR & MAINTENANCE MANUAL: Practical Workshop Guide to Maintenance, Diagnostics, Troubleshooting, Engine Systems, Transmission, Drivetrain, Brakes, Suspension, Electrical System
by Engr Robert A C
- Price$9.99
- Rating5.0
- Reviews4
Main categories
FAQ
How many books does Engr Robert A C have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Engr Robert A C publish in?
Their books chart most often in Suspension & Chassis, Trucks & Vans, Repair.
How does Engr Robert A C price their books?
The median price is $23.99; half of the books cost $10.74–$35.
Has Engr Robert A C released new books recently?
6 new books in the last 30 days, 5 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.