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First Contact (Science Fiction, Books): Amazon KDP category data
Amazon Books Best Sellers data for First Contact (Science Fiction, Books), updated Nov 3, 2026: median price $5.99, median 3,872 reviews, average rating 4.4 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $9.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 31% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 13% of the parent category Science Fiction (30,843), one of the easier corners under it.
- 31% of its best sellers came out in the last 90 days, more than in 97% of Books categories: readers here keep buying new titles.
- Its review barrier is higher than in 96% of Books categories: the median best seller has 3,872 reviews, so new books need time to build up.
Top 10 First Contact best sellers
-
We Are Legion (We Are Bob): Bobiverse, Book 1
- List rank#1
- Price$17.99
- Rating4.5
- Reviews35,050
-
-
The Wildborn: A Sci-Fi Alien Romance (The Starborn Series Book 1)
by Perri Torani
- List rank#3
- Price$3.99
- Rating4.4
- Reviews2,266
-
Children of Time: Children of Time, Book 1
- List rank#4
- Price$21.99
- Rating4.5
- Reviews51,769
-
All These Worlds: Bobiverse, Book 3
- List rank#5
- Price$17.38
- Rating4.6
- Reviews23,914
-
-
Engineer of the Exotic (The Saucer Series Book 1)
- List rank#7
- Price$2.99
- Rating4.4
- Reviews802
-
Anvil of Stars (Forge of God Book 2)
by Greg Bear
- List rank#8
- Price$1.99
- Rating4.3
- Reviews1,445
-
-
Barbarian Alien: A SciFi Alien Romance (Ice Planet Barbarians Book 2)
by Ruby Dixon
- List rank#10
- Price$3.99
- Rating4.2
- Reviews32,357
Same niche in Kindle eBooks: First Contact
FAQ
Is First Contact a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 3,872 reviews and sells for $5.99.
How many reviews do you need to rank in First Contact?
The median best seller has 3,872 reviews, and 10% of them have fewer than 100.
What do First Contact best sellers cost?
The median price is $5.99; half of the best sellers are priced between $3.99 and $9.99.
Can new books break into First Contact?
31% 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.