KDP categories · Top KDP authors
ChatVariety Team: Amazon KDP author data
ChatVariety Team has 149 books on Amazon, 98 of them on a best-seller list in the last 30 days (best rank #1), mostly in Automotive, Repair, Repair & Maintenance.
149Books on Amazon
98Listed in 30 days
3.6Average rating
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 1 |
| Total reviews | 53 |
| New books (30 days) | 53 |
| Breakout books (30 days) | 33 |
What stands out
- 66% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $2.99, 57% below the median of their main category, Automotive.
- 53 new books in the last 30 days, 33 of them broke into a Best Sellers list.
ChatVariety Team's best-ranked books
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Automotive Sensor Diagnostics: O2, MAF, MAP, Cam, Crank, and More — Test-Before-Replace Procedures for Every Common Sensor (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$2.99
- Reviews-
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Diesel Diagnostics and Emissions: Common Rail, DPF, EGR, and DEF Systems — Legal Diagnosis and Repair for Modern Emissions Diesels (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$2.99
- Reviews-
-
Automotive Multimeter Techniques: Electrical Diagnosis Step by Step - Voltage Drop, Sensor Testing, and the 20 Measurements That Solve 90% of Faults (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$2.99
- Rating5.0
- Reviews2
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Automotive Multimeter Techniques: Electrical Diagnosis Step by Step - Voltage Drop, Sensor Testing, and the 20 Measurements That Solve 90% of Faults (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$9.99
- Rating5.0
- Reviews2
-
AI Hardware Engineering: Designing GPUs, TPUs, and Neural Processing Units for High-Throughput Machine Learning Workloads (AI Infrastructure, Hardware & Compiler Engineering Series)
by ChatVariety Team
- Price$2.99
- Reviews-
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The Van Conversion Blueprint: Plumbing, Solar, and Build-Out from Empty Cargo Van (Truck, RV & Overlanding Series)
by ChatVariety Team
- Price$2.99
- Reviews-
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Automotive Lab Scope Basics: Oscilloscope Waveforms Made Simple — Known-Good Captures for Ignition, Injectors, CKP/CMP, and Relative Compression (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$2.99
- Rating5.0
- Reviews1
-
Classic Car Wiring: Rewiring Harnesses and Upgrading Vintage Electrics (Classic Car Restoration Series Book 5)
by ChatVariety Team
- Price$2.99
- Reviews-
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Bidirectional Scan Tools and Module Programming for Independent Shops: J2534 Pass-Thru, OEM Software, Key Programming, and ADAS Reflashes — A Workflow ... (Automotive Diagnostics & Scan Tool Series)
by ChatVariety Team
- Price$2.99
- Reviews-
- Published2026-07
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The Van Conversion Blueprint: Plumbing, Solar, and Build-Out from Empty Cargo Van (Truck, RV & Overlanding Series)
by ChatVariety Team
- Price$9.99
- Reviews-
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.