KDP categories · Top KDP authors
Spain & Portugal (Biographies & Memoirs › Europe, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Spain & Portugal (Biographies & Memoirs › Europe, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 298 reviews, average rating 4.4 and a KDPTop opportunity score of 17/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $12.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 1% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 1% of its best sellers are under 90 days old, fewer than in 97% of Kindle eBooks categories: established titles hold the list.
- Its median reviews are 34% of the parent category Europe (886), one of the easier corners under it.
- Its review barrier is higher than in 74% of Kindle eBooks categories: the median best seller has 298 reviews, so new books need time to build up.
Top 10 Spain & Portugal best sellers
-
The Mosquito Bowl: A Game of Life and Death in World War II — A WWII Story Set in the Pacific Theater
- List rank#1
- Price$16.99
- Rating4.3
- Reviews1,305
-
The Habsburgs: To Rule the World
- List rank#2
- Price$14.99
- Rating4.4
- Reviews689
-
The Last Voyage of Columbus: Being the Epic Tale of the Great Captain's Fourth Expedition, Including Accounts of Swordfight, Mutiny, Shipwreck, Gold, War, Hurricane, and Discovery
by Martin Dugard
- List rank#3
- Price$11.44
- Rating4.5
- Reviews1,299
-
Ian Fleming and SOE's Operation POSTMASTER: The Top Secret Story Behind 007
by Brian Lett
- List rank#4
- Price$11.99
- Rating4.3
- Reviews373
-
Over the Edge of the World: Magellan's Terrifying Circumnavigation of the Globe
- List rank#5
- Price$15.99
- Rating4.5
- Reviews5,194
-
The Immortal Irishman: The Irish Revolutionary Who Became an American Hero
by Timothy Egan
- List rank#6
- Price$10.49
- Rating4.6
- Reviews4,502
-
Pirate Queen: The Life of Grace O'Malley
by Judith Cook
- List rank#7
- Price$8.99
- Rating4.3
- Reviews105
-
Alexander at the End of the World: The Forgotten Final Years of Alexander the Great – A Riveting Biography of Leadership, Ambition, and the Campaign That Forged History
by Rachel Kousser
- List rank#8
- Price$2.99
- Rating4.5
- Reviews240
-
Book and Dagger: How Scholars and Librarians Became the Unlikely Spies of World War II — A WWII Spy History
by Elyse Graham
- List rank#9
- Price$15.99
- Rating4.2
- Reviews368
-
Wind, Sand And Stars: An Amazing Autobiography About the Wonder of Flying from the Author of The Little Prince (Harvest Book)
- List rank#10
- Price$9.99
- Rating4.5
- Reviews1,457
Same niche in Books: Spain & Portugal
FAQ
Is Spain & Portugal a good niche for Amazon KDP?
Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 298 reviews and sells for $9.99.
How many reviews do you need to rank in Spain & Portugal?
The median best seller has 298 reviews, and 33% of them have fewer than 100.
What do Spain & Portugal best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $12.99.
Can new books break into Spain & Portugal?
1% of the current best sellers were released in the last 90 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.