KDP categories · Top KDP authors
Julian Mercer: Amazon KDP author data
As of Nov 6, 2026, Julian Mercer has 17 books on Amazon, 15 of them on a best-seller list in the last 30 days (best rank #12), mostly in Forensic Medicine, Astronomy, Cosmology.
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $15.95 |
| Median reviews | 1 |
| Total reviews | 1 |
| New listings (30 days, incl. new editions) | 15 |
| Breakout books (30 days) | 5 |
What stands out
- 88% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $6.99, 84% below the median of their main category, Forensic Medicine.
- 15 new listings in the last 30 days (new editions included), 5 of them broke into a Best Sellers list.
Julian Mercer's best-ranked books
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Interfacial Solar Desalination AI: Localized Evaporative Aerogels, Salt Rejection, and Solar Steam Generation
by Julian Mercer
- Price$7.99
- Reviews-
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Forensic Pathology Board Review 2026–2027: The 7-IN-1 System: Get Ready in 2 Weeks with 1,120 Board-Style Questions, 7 Timed Simulations, 200 Case Drills, 500 Rapid-Recall Prompts & 20 Companion Video
by Julian Mercer
- Price$79.99
- Reviews-
-
DARK MATTER & THE INVISIBLE UNIVERSE: 40 Mind-Bending Ways the Hidden Cosmos Shapes Gravity, Galaxies & Reality
by Julian Mercer
- Price$6.99
- Reviews-
-
FINLAND TRAVEL GUIDE 2026-2027: Discover Helsinki, Lapland, the Northern Lights, Authentic Sauna Culture, Hidden Gems, Scenic Road Trips, and Local Experiences for First-Time and Repeat Travelers
by Julian Mercer
- Price$25.99
- Reviews-
- Published2026-09
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BLACK HOLES & BROKEN TIME: 40 Mind-Bending Ways Gravity Warps Space, Time & Reality
by Julian Mercer
- Price$6.99
- Reviews-
-
ICELAND TRAVEL GUIDE 2026-2027: Your Complete Handbook to the Northern Lights, Ring Road, Volcanoes, Geothermal Hot Springs, Waterfalls, Local Culture & Smart Budget Planning
by Julian Mercer
- Price$5.99
- Rating5.0
- Reviews1
-
BLACK HOLES & BROKEN TIME: 40 Mind-Bending Ways Gravity Warps Space, Time & Reality
by Julian Mercer
- Price$18.99
- Reviews-
-
The Flavor Pairing Encyclopedia: The Complete Ingredient-to-Ingredient Guide to 1,000+ Flavor Combinations, Pairing Charts, Creative Cooking Ideas, Chef-Inspired Techniques & 150 Recipes
by Julian Mercer
- Price$15.95
- Reviews-
- Published2026-09
-
Propaganda: The Posters, Lies, and Slogans That Moved the Masses
by Julian Mercer
- Price$6.69
- Reviews-
-
Adult Bedtime Stories: Calming Sleep Tales to Quiet a Busy Mind and Gently Ease You Into Deep Rest
by Julian Mercer
- Price$0.99
- Reviews-
- Published2026-08
Main categories
FAQ
How many books does Julian Mercer have on Amazon?
KDPTop tracks 17 of their books; 15 made an Amazon list in the last 30 days.
Which categories does Julian Mercer publish in?
Their books chart most often in Forensic Medicine, Astronomy, Cosmology.
How does Julian Mercer price their books?
The median price is $6.99; half of the books cost $5.99–$15.95.
Has Julian Mercer released new books recently?
15 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.