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David Day: Amazon KDP author data
As of Nov 6, 2026, David Day has 23 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #6), mostly in Science Fiction & Fantasy, History & Criticism, 20th Century.
| Median price | $16.99 |
|---|---|
| Price range (middle 50%) | $9.32 – $29.98 |
| Median reviews | 366 |
| Total reviews | 12,293 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 52% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
David Day's best-ranked books
-
World of Tolkien Seven-Book Boxed Set - Tolkien Reference Books for All Ages, Illustrated Lord of the Rings Guides, Boxed Set
by David Day
- Price$42.12
- Rating4.7
- Reviews366
-
Atlas of Tolkien Deluxe Edition - Tolkien Reference Book for All Ages, Illustrated Lord of the Rings Guide, Maps of Middle-earth (Deluxe Tolkien)
by David Day
- Price$18.63
- Rating4.8
- Reviews243
-
An Encyclopedia of Tolkien (Deluxe Leatherbound Edition): The History and Mythology That Inspired Tolkien's World (Leather-bound Classics)
by David Day
- Price$12.49
- Rating4.9
- Reviews3,092
- Published2019-10
-
Dark Powers of Tolkien Deluxe Edition (Deluxe Tolkien)
by David Day
- Price$9.32
- Rating4.8
- Reviews483
-
The Heroes of Tolkien: An Exploration of Tolkien's Heroic Characters, and the Sources that Inspired his Work from Myth, Literature and History
by David Day
- Price$3.99
- Rating4.8
- Reviews351
-
A Dictionary of Tolkien Deluxe Edition - Tolkien Reference Book for All Ages, Illustrated Lord of the Rings Guide (Deluxe Tolkien)
by David Day
- Price$14.49
- Rating4.6
- Reviews88
-
The Illustrated World of Tolkien
by David Day
- Price$23.29
- Rating4.8
- Reviews966
-
The Illustrated World of Tolkien: An Exquisite Reference Guide to Tolkien's World and the Artists his Vision Inspired
by David Day
- Price-
- Rating4.8
- Reviews96
-
Ring Legends of Tolkien Deluxe Edition - Tolkien Reference Book for All Ages, Illustrated Lord of the Rings Guide (Deluxe Tolkien)
by David Day
- Price$14.10
- Rating4.8
- Reviews374
-
Collins Complete Woodworker’s Manual
by David Day
- Price$47.26
- Rating4.7
- Reviews990
- Published2005-01
Main categories
FAQ
How many books does David Day have on Amazon?
KDPTop tracks 23 of their books; 12 made an Amazon list in the last 30 days.
Which categories does David Day publish in?
Their books chart most often in Science Fiction & Fantasy, History & Criticism, 20th Century.
How does David Day price their books?
The median price is $16.99; half of the books cost $9.32–$29.98.
Has David Day released new books recently?
1 new book 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.