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Thomas Lockhaven: Amazon KDP author data
As of Nov 6, 2026, Thomas Lockhaven has 27 books on Amazon, 23 of them on a best-seller list in the last 30 days (best rank #1), mostly in Detectives, Mysteries & Detectives, Spies.
| Median price | $9.95 |
|---|---|
| Price range (middle 50%) | $4.99 – $13 |
| Median reviews | 74 |
| Total reviews | 4,685 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 1 |
What stands out
- 85% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $9.95, 42% above the median of their main category, Detectives.
- 3 new listings in the last 30 days (new editions included), 1 of them broke into a Best Sellers list.
Thomas Lockhaven's best-ranked books
-
Ava & Carol Detective Agency Series: Books 1-3: Book Bundle 1: Middle Grade Mystery Adventure Series for Kids Ages 8–12
by Thomas Lockhaven
- Price$11.99
- Rating4.6
- Reviews884
-
Ava & Carol Detective Agency Series: Books 1-3
by Thomas Lockhaven
- Price$13
- Rating4.6
- Reviews884
-
The Haunted Campout (Book 12): Ava & Carol Detective Agency: A Scout Detective Camp Mystery
by Thomas Lockhaven
- Price$4.99
- Rating4.9
- Reviews52
-
The Mystery of the Crystal Pumpkin (Book 14): Ava & Carol Detective Agency: A Halloween Story
by Thomas Lockhaven
- Price$3.99
- Rating5.0
- Reviews12
- Published2026-10
-
The Crown Jewels Mystery (Book 6): Ava & Carol Detective Agency: A Historical Treasure Hunt Mystery
by Thomas Lockhaven
- Price$4.99
- Rating4.6
- Reviews72
-
Mystery at the Softball Nationals (Book 13): Ava & Carol Detective Agency: A Kids Sports Detective Mystery
by Thomas Lockhaven
- Price$4.99
- Rating4.6
- Reviews51
-
Quest Chasers: Books 1-3 (Middle Grade Fantasy Series) (Quest Chasers Series Book 1)
by Thomas Lockhaven
- Price$8.99
- Rating4.5
- Reviews86
-
The Mystery of the Egyptian Pyramid (Book 10): Ava & Carol Detective Agency
by Thomas Lockhaven
- Price$8.97
- Rating4.7
- Reviews185
-
The Screaming Monkey (Book 11): Ava & Carol Detective Agency: A Middle Grade Treasure Hunt Mystery Adventure Set in Nantucket, Massachusetts
by Thomas Lockhaven
- Price$4.99
- Rating4.8
- Reviews65
-
Ava & Carol Detective Agency Series: Books 4-6
by Thomas Lockhaven
- Price$18.99
- Rating4.7
- Reviews404
Main categories
FAQ
How many books does Thomas Lockhaven have on Amazon?
KDPTop tracks 27 of their books; 23 made an Amazon list in the last 30 days.
Which categories does Thomas Lockhaven publish in?
Their books chart most often in Detectives, Mysteries & Detectives, Spies.
How does Thomas Lockhaven price their books?
The median price is $9.95; half of the books cost $4.99–$13.
Has Thomas Lockhaven released new books recently?
3 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.