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Alien Invasion — Book Covers & Market Data

Everything you need to publish in alien invasion: real market data from 136 Amazon books, ready-made cover starters, and an AI cover generator — all in one place.

Based on 136 real Amazon books · Goodreads enriched · Updated March 2026

MKMR: Mecha Kaiju Mars Remastered
Bred by My Alien Harem: An Alien Sci-fi Romance (The Alien's Concubines Book 4)
An English Apocalypse: The Summer Haven I
After Invasion
Plus Size Passion in Extraterrestrial Luxury: An Alien Scit-fi Romance (Nebula Hearts Mates Chronicles Book 3)
The Three-Body Problem (The Three-Body Problem Series Book 1)
Shadow Girl (Shadow Trilogy Book 1)
Awakened: When Darkness Falls

What alien invasion bestsellers look like on Amazon

136
Books Analyzed
$4.68
Avg Price
4.4
Avg Rating
72%
KU Rate
447
Avg Pages
71%
Series
93%
Indie
7/10
Competition
Exclusive data

Alien Invasion Market Insights

Price Distribution

Sweet spot: $2.99–$5.99 (75% of books)

$0–2.99
28%
$3–5.99
61%
$6–9.99
11%

Book Length

Average: 447 pages

< 200 pages
23%
200–350 pages
35%
350–500 pages
19%
500+ pages
22%

Revenue Estimates

$231k
Est. monthly revenue (top 136)
80
Median daily sales (top 10)
72%
Kindle Unlimited
71%
Part of a series

Genre DNA

69%
Published last 12 months

Top Alien Invasion Authors (by catalog size)

Deiri Di6 books
Nathan Hystad5 books
Cixin Liu4 books
John Walker4 books
Miss Dolly X4 books
Opportunity analysis

Competition & Opportunity in Alien Invasion

Competition Score

7/ 10

High competition — you'll need a polished book, series potential, and a standout cover.

Indie vs Traditional

93%
Indie / self-pub
7%
Traditional
Tor Books (5)Woodbridge Press (5)Stormy Night Publications (3)Avenstar Productions (3)Ogden Media Ltd (3)

Publication Velocity

↓ Declining
5
Q1 2025
4
Q2 2025
7
Q3 2025
10
Q4 2025
54
Q1 2026
15
Q2 2026
3
Q3 2026
1
Q1 2027

Top Series in Alien Invasion

Smutt Books Short Alien Romanceby Deiri Di
6 books
The Three-Body Problemby Cixin Liu
4 books
Alien Breeders' Ball Seriesby Miss Dolly X
4 books
Black Swan Eventby Bobby Akart
3 books
The Aternien Warsby G J Ogden
3 books

Series position distribution:

#1
37 books
#2
15 books
#3
13 books
#4
8 books
#5
4 books
#6
2 books
Data-driven tips

What Alien Invasion Readers Expect

Based on our analysis of 136 alien invasion bestsellers on Amazon. Follow these to match reader expectations in your niche.

💰

Price your book $2.99–$5.99

75% of alien invasion books fall in this range. Pricing outside the sweet spot can hurt discoverability and conversion.

📖

Aim for 200–350 pages

35% of alien invasion bestsellers are 200–350 pages. Readers in this genre have clear length expectations.

📚

Enroll in Kindle Unlimited

72% of alien invasion books are in KU. This genre's readers heavily use the subscription — being outside KU means missing a large chunk of your audience.

📕

Plan a series, not a standalone

71% of alien invasion bestsellers are part of a series. Readers in this genre expect multi-book arcs and read-through revenue is significant.

Quality bar is high (avg 4.4/5)

Alien Invasion readers are demanding — the average bestseller rating is 4.4. Polish your manuscript and cover before launch to compete.

🕐

Readers want new releases

69% of current bestsellers were published in the last 12 months. This genre moves fast — timing your launch matters.

Sub-genres & mashups

Alien Invasion Genre Map

How alien invasion overlaps with other genres. These crossovers reveal sub-niches with dedicated readerships and less competition.

e.g. "MKMR: Mecha Kaiju Mars Remastered", "Bred by My Alien Harem: An Alien Sci-fi Romance (The Alien's Concubines Book 4)", "An English Apocalypse: The Summer Haven I"

e.g. "The Scae Resurgence (The Bivrost Nine Saga Book 2)", "A Plea for Justice (Exodus Book 8)", "Final Contact (Two Complete Series)"

e.g. "The Scae Resurgence (The Bivrost Nine Saga Book 2)", "A Plea for Justice (Exodus Book 8)", "Columbus Day (Expeditionary Force Book 1)"

e.g. "Daughters of the Lost (The Onamen Series Book 3)", "The Three-Body Problem (The Three-Body Problem Series Book 1)", "The Jonathan Jarl Series: Books 1-3: A technothriller series (The Jonathan Jarl Box-set Book 1)"

e.g. "The Three-Body Problem (The Three-Body Problem Series Book 1)", "Specimen: A Dark Sci-Fi Romance", "Stolen by the Alien Bodyguard (Warriors of the Lathar Book 21)"

e.g. "Daughters of the Lost (The Onamen Series Book 3)", "The Scae Resurgence (The Bivrost Nine Saga Book 2)", "Aftermath: Hathe Book Three"

e.g. "The Scae Resurgence (The Bivrost Nine Saga Book 2)", "A Plea for Justice (Exodus Book 8)", "Final Contact (Two Complete Series)"

e.g. "Aftermath: Hathe Book Three", "Auctioned Pet: A Dark Sci-Fi Romance", "Tempest (The Family Book 1)"

e.g. "Broken Lines (Alien Invasion War Book 3)", "Space Prison (SF Novel): Enriched edition.", "The Geometry of Starlight"

e.g. "The Jonathan Jarl Series: Books 1-3: A technothriller series (The Jonathan Jarl Box-set Book 1)", "Black Swan 1: A Natural Disaster Thriller (Black Swan Event)", "Their Human Pet"

Want to see how your book fits these sub-niches? Our Cover Generator lets you combine genre, mood, and trope tags to create covers that target any crossover.

Generate Crossover Covers →
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Alien InvasionAI & RobotsScience Fiction+ moods & tropes
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Real Amazon data

Top Alien Invasion Books by Bestseller Rank

The top-selling alien invasion books on Amazon right now. Use this data to understand pricing, page counts, and Kindle Unlimited trends in your niche.

Go deeper

Alien Invasion Market Analysis

Get AI-powered niche scoring, revenue estimates, daily sales projections, and cover benchmarks for alien invasion books. See what works, what sells, and where the gaps are.

Analyze Alien Invasion →
The pantser way

Start from your cover, not an outline

Pick a alien invasion cover — our AI reads the image and generates a full plot: synopsis, characters, chapters, and arcs. Keep what works, change the rest.

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Alien Invasion — Book Covers & Market Data 2026 | Dear Pantser