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Delmar Cengage Learning: Amazon KDP author data
As of Nov 6, 2026, Delmar Cengage Learning has 23 books on Amazon, 17 of them on a best-seller list in the last 30 days (best rank #3), mostly in Testing & Certification, Automotive, Engineering.
| Median price | $35.11 |
|---|---|
| Price range (middle 50%) | $25.95 – $38.95 |
| Median reviews | 134 |
| Total reviews | 4,435 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 74% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $35.11, 75% above the median of their main category, Testing & Certification.
Delmar Cengage Learning's best-ranked books
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ASE Test Preparation - A7 Heating and Air Conditioning (Automobile Certification Series)
by Delmar Cengage Learning
- Price$38.95
- Rating4.7
- Reviews480
-
ASE Test Preparation - T6 Electrical and Electronic System (ASE Test Preparation: Medium/ Heavy Duty Truck Certification Series)
by Delmar Cengage Learning
- Price$38.95
- Rating4.6
- Reviews166
-
ASE Test Preparation - T4 Brakes (ASE Test Preparation: Medium/Heavy Duty Truck Technician Certification)
by Delmar Cengage Learning
- Price$25.38
- Rating4.6
- Reviews320
-
ASE Test Preparation - T5 Suspension and Steering (ASE Test Prep for Medium/Heavy Duty Truck (ASE Test Preparation: Medium/Heavy Duty Truck Technician Certification)
by Delmar Cengage Learning
- Price$20.95
- Rating4.8
- Reviews182
-
ASE Test Preparation - Transit Bus H7, Heating, Ventilation, & Air Conditioning (Delmar Learning's Ase Test Prep Series)
by Delmar Cengage Learning
- Price$25.95
- Rating4.8
- Reviews48
-
Delmar's Ase Test Preparation: Brakes Test 5, Automobile Technician Certification
by Delmar Cengage Learning
- Price-
- Rating4.6
- Reviews986
-
ASE Test Preparation - L1 Advanced Engine Performance (ASE Test Prep Automotive Technician Certification Manual) (Automobile Certification Series)
by Delmar Cengage Learning
- Price$25.95
- Rating4.5
- Reviews282
- Published2011-09
-
ASE Technician Test Preparation Automotive Maintenance and Light Repair (G1) (Delmar Ase Test Preparataion: Automotive Technician Certification)
by Delmar Cengage Learning
- Price$30.08
- Rating4.6
- Reviews387
-
ASE Test Preparation - T3 Drive Train (DELMAR LEARNING'S ASE TEST PREP SERIES)
by Delmar Cengage Learning
- Price$38.95
- Rating4.6
- Reviews134
-
ASE Test Preparation - A8 Engine Performance (Automobile Certification Series)
by Delmar Cengage Learning
- Price$38.95
- Rating4.6
- Reviews394
Main categories
FAQ
How many books does Delmar Cengage Learning have on Amazon?
KDPTop tracks 23 of their books; 17 made an Amazon list in the last 30 days.
Which categories does Delmar Cengage Learning publish in?
Their books chart most often in Testing & Certification, Automotive, Engineering.
How does Delmar Cengage Learning price their books?
The median price is $35.11; half of the books cost $25.95–$38.95.
Has Delmar Cengage Learning released new books recently?
0 new books in the last 30 days.
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.