KDP categories · Top KDP authors
Sumatra: Amazon KDP category data
Amazon Books Best Sellers data for Sumatra, updated Nov 2, 2026: median price $22.50, median 4 reviews, average rating 4.0 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $13.99 – $29.90 |
|---|---|
| Average rating | 4.0 |
| New releases (90 days) | 2% |
| Books on the list | 46 |
| Store | Books |
What stands out
- Its median reviews are 13% of the parent category Indonesia (30), one of the easier corners under it.
- Its review barrier is lower than in 92% of Books categories: the median best seller has only 4 reviews, so new books can chart with few.
- Only 2% of its best sellers are under 90 days old, fewer than in 89% of Books categories: established titles hold the list.
Top 10 Sumatra best sellers
-
Lonely Planet Indonesia: Plan the Trip of a Lifetime | Detailed Itineraries & Maps | Insider Tips | Covers Java, Bali, Nusa Tenggara, Maluku, Papua, Sumatra, Sulawesi and more (Travel Guide)
by Anthony Ham
- List rank#1
- Price$25.27
- Rating4.5
- Reviews2
-
Lonely Planet Indonesia: Plan the Trip of a Lifetime | Detailed Itineraries & Maps | Insider Tips | Covers Java, Bali, Sumatra and more (Travel Guide)
by David Eimer
- List rank#2
- Price$26.99
- Rating4.0
- Reviews103
-
Lonely Planet Indonesian Phrasebook & Dictionary
- List rank#3
- Price-
- Rating4.5
- Reviews57
-
The Ultimate Sumatra Travel Guide
by Judit Kocsis
- List rank#4
- Price$9.99
- Rating3.0
- Reviews1
-
SUMATRA TRAVEL GUIDE 2026: Discover the Heart of Indonesia’s Most Mysterious and Beautiful Land
by James C. Talley
- List rank#5
- Price$14.99
- Reviews-
-
The Stormrider Surf Guide Indonesia: Surfing in Sumatra, Mentawai Islands, Nias, Java, Bali, Lombok, Sumbawa, Sumba, Savu and Rote (Stormrider Surf Guides)
by Bruce Sutherland
- List rank#6
- Price$9.99
- Rating4.5
- Reviews16
-
Sumatra & Medan Travel Map Fifth Edition (Periplus Travel Maps)
by Periplus Editors
- List rank#7
- Price$8.95
- Rating4.8
- Reviews8
-
Indonesia Travel Guide 2025-2026 & Beyond: Your Ultimate Guide to Bali, Java, Sumatra, Lombok, Komodo, and Sulawesi — Top Attractions, Hidden Gems, Culture, and Adventure Across the Archipelago.
by William T. Crawford
- List rank#8
- Price$11.99
- Rating2.9
- Reviews3
-
A Field Guide to the Birds of Borneo, Sumatra, Java, and Bali: The Greater Sunda Islands
by John MacKinnon
- List rank#9
- Price$99.90
- Rating4.3
- Reviews16
-
Sumatra Travel Reference Map 1: 1,100,000 - 2025 ed
- List rank#10
- Price$14.95
- Rating5.0
- Reviews2
FAQ
Is Sumatra a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $22.50.
How many reviews do you need to rank in Sumatra?
The median best seller has 4 reviews, and 92% of them have fewer than 100.
What do Sumatra best sellers cost?
The median price is $22.50; half of the best sellers are priced between $13.99 and $29.90.
Can new books break into Sumatra?
2% 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.