KDP categories · Top KDP authors
James Harrison: Amazon KDP author data
As of Nov 6, 2026, James Harrison has 22 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #4), mostly in Hydroponics, House Plants, Vegetables.
| Median price | $7.49 |
|---|---|
| Price range (middle 50%) | $4.99 – $9.99 |
| Median reviews | 19 |
| Total reviews | 614 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $7.49, 50% below the median of their main category, Hydroponics.
James Harrison's best-ranked books
-
Hydroponics DIY for Beginners - Kratky Method Made Easy and Inexpensive: Tips, Tricks and Secret Hacks to Grow Fresh Food with Less Water, Money, Space ... Food, Composting, Hydroponics, Pools...)
by James Harrison
- Price$3.99
- Rating4.0
- Reviews19
-
Effects - Everything You Wanted to Know All in One Book - PART 2: Guitar Effects, Stomp Boxes, Pedal Boards - How to Use Them and Get the Most Out of ... ALL Voices, All Musicians, All Instruments)
by James Harrison
- Price$4.99
- Rating3.9
- Reviews22
-
Learn Vocabulary the Easiest Ways Possible!: Memory Tricks & Mnemonics—The Quickest, Most Fun & Effective Methods of All Time! School Test Prep EFL® ESL® ... Most Fun & Effective Methods of All Time)
by James Harrison
- Price$2.99
- Rating3.7
- Reviews12
-
Indoor Plants for Beginners to Pros: Ultimate DIY Guide to Growing House Plants, Flowers, Herbs, Etc. In Your Home (DIY Home & Yard: Indoor Plants, ... ... Food, Composting, Hydroponics, Pools...)
by James Harrison
- Price$4.99
- Rating4.2
- Reviews67
-
Thanksgiving Trivia Quiz Questions for Kids & Adults: Family Holiday Game - Full of Facts & Fun - Study & Learn Early American History the Easy Way (The ... w/Fun, Facts, & Comedy! Book 4)
by James Harrison
- Price$4.99
- Rating4.7
- Reviews37
-
Effects—Everything You Want to Know All in ONE Book—Book 1: History, Makers, Artists Behind Effect Units, Pedals, Processors, Stompboxes, Rackmounts, ... ALL Voices, All Musicians, All Instruments)
by James Harrison
- Price$4.99
- Rating4.1
- Reviews29
-
Saving the Oceans Through Law: The International Legal Framework for the Protection of the Marine Environment
by James Harrison
- Price$148
- Reviews-
-
Thanksgiving Trivia Quiz Questions for Kids & Adults: Family Holiday Game - Full of Facts & Fun - Study & Learn Early American History the Easy Way ... Answer/Explanations w/Fun, Facts, & Comedy!)
by James Harrison
- Price$7.99
- Rating4.7
- Reviews37
-
Learn Vocabulary the Easiest Ways Possible!: Memory Tricks & Mnemonics - The Quickest, Most Fun, Most Effective Methods of All Time! School Test Prep EFL ESL HSPT COOP TACHS SSAT PSAT SAT ACT GRE LSAT
by James Harrison
- Price$3.99
- Rating3.7
- Reviews12
-
Indoor Plants for Beginners to Pros: Ultimate DIY Guide to Growing House Plants, Flowers, Herbs, Etc. In Your Home (DIY Home & Yard: Indoor Plants, ... Food, Composting, Hydroponics, Pools...)
by James Harrison
- Price$9.99
- Rating4.2
- Reviews67
Main categories
FAQ
How many books does James Harrison have on Amazon?
KDPTop tracks 22 of their books; 11 made an Amazon list in the last 30 days.
Which categories does James Harrison publish in?
Their books chart most often in Hydroponics, House Plants, Vegetables.
How does James Harrison price their books?
The median price is $7.49; half of the books cost $4.99–$9.99.
Has James Harrison 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.