Explore the
latest books
of this year!
About us
Career
Contact
Search for a book, author or category...
Sell books
Fiction
Fiction
World Fiction
Comic Books
Detective and Thriller
Fantasy
Historical Fiction
Romance
Sci-fi
Nonfiction
Nonfiction
History
Encyclopedia
Hobby and Home
Motivation and Self-help
Psychology
Sport
Culture
Biographies
Kids and Young Adults
For the Youngest
Fairytales
Accordion Books
For Younger Children
All Books for Younger Readers
First Reading
Younger Schoolchildren
Fairytales
Children's Encyclopedias
Paper Crafts
For Older Readers
All Books for Older Readers
Older School Children
Game Books
Fairytales
Children's Encyclopedias
For Young Adults
All Books for Young Adults
Young Adult
Romantasy
Other Categories
Other Categories
Cookbooks
Textbooks
Maps and Travel
Esotericism and Religion
Foreign Language Books
Foreign Language Books
Books in Polish
Books in German
Books in French
Books in Italian
Books in Spanish
Books in Russian
Gift Ideas
Who do you want to give a book to?
Gifts for Little Ones
Gifts for Younger Schoolchildren
Gifts for Older Schoolchildren
Gifts for Mom
Gifts for Dad
Gifts for Grandma
Gifts for Grandpa
Take our advice!
Bestselling Books
Books made into movies
All books
Aliens
Filters
Tags
(1)
Aliens
Fiction
778
Science Fiction
721
Fantasy
531
Science Fantasy
257
Space
216
Mystery & Thriller
172
Space Opera
170
Young Adult
164
Adventure
164
Extraterrestrial Civilizations
155
Language
English
154
German
348
Czech
272
Dutch
37
Slovak
27
Italian
25
French
18
Spanish
15
Russian
3
Turkish
2
Authors
Erich von Däniken
51
Jean-Pierre Garen
21
Jennifer Armentrout
17
Larry Niven
16
Pittacus Lore
15
Rick Yancey
14
Neal Asher
12
Stephen King
11
David Brin
11
Arthur C. Clarke
10
Publisher
Heyne
75
Bastei Lübbe
22
Goldmann
18
Baronet
18
Knižní klub
16
Carlsen
13
Laser
13
Wilhelm Heyne
12
Dialog
12
Price
€
-
€
to €2
to €5
to €10
Published in
-
from 1948
new books
Binding
Paperback
625
Hardcover
275
Accordion book
1
Condition
Good
559
Damaged
413
Very Good
348
Availability
In stock
905
Filters (1)
Aliens
Track filter
Total
500+ titles
Default sorting
Best
Dalmartian
Lucy Ruth Cummins
Sold out
3.8
Track
Agent to the Stars
John Scalzi
Sold out
3.9
Track
Drunk on All Your Strange New Words
Eddie Robson
Sold out
3.9
Track
Into the Light
David Weber
Sold out
3.8
Track
Machine
Elizabeth Bear
Sold out
3.8
Track
Honor Among Thieves
Rachel Caine
Sold out
3.9
Track
The Legacy Chronicles: Out of the Shadows
Pittacus Lore
Sold out
3.9
Track
Space Runners #1: The Moon Platoon
Jeramey Kraatz
Sold out
3.8
Track
The Spaceship Next Door
Gene Doucette
Sold out
3.9
Track
The Rains
Gregg Hurwitz
Sold out
3.7
Track
Friends and Foes (Red's Planet Book 2)
Eddie Pittman
Sold out
3.8
Track
Andromeda's fall
William C. Dietz
Sold out
3.6
Track
The Plague Forge
Jason Hough
Sold out
3.8
Track
Wonders in the Sky
Jacques Vallée
Sold out
3.9
Track
Mission Earth 4, An Alien Affair
Lafayette Ronald Hubbard
Sold out
3.4
Track
Marty
Rachel Noble
Sold out
3.8
Track
Predator: Eyes of the Demon
Bryan Thomas Schmidt
Sold out
3.9
Track
Aliens vs. Predators - Ultimate Prey
Louis Ozawa
Sold out
3.8
Track
The Stone Prince
Gena Showalter
Sold out
3.8
Track
The Challenge
Susan Kearney
Sold out
3.2
Track
Mothership
Martin Leicht
Sold out
3.9
Track
K-Pax II. On a Beam of Light
Gene Brewer
Sold out
3.8
Track
Star Corps. Book One of the Legacy Trilogy
William H. Keith
Sold out
3.9
Track
Last Kiss Goodnight. An Otherworld Assassin Novel
Gena Showalter
Sold out
3.9
Track
DESTROYER OF WORLDS
Larry Niven
Sold out
3.3
Track
Youth
Isaac Asimov
Sold out
3.8
Track
Island Red
Matt Serafini
Sold out
3.3
Track
Omega (Academy - Book 4)
Jack McDevitt
Sold out
3.9
Track
Claimed by the Alien Bodyguard (Aliens Among Us #3)
Tiffany Roberts
Sold out
3.9
Track
Sliding Scales
Alan Dean Foster
Sold out
3.9
Track
Millennial Hospitality
Charles James Hall
Sold out
3.4
Track
Project Blue Book
US Red Wheel
Sold out
3.6
Track
Mech Cadet Yu Vol. 3
Greg Pak
Sold out
3.8
Track
The Soldier
Neal Asher
Sold out
3.7
Track
The Dreaming Stars
Tim Pratt
Sold out
3.8
Track
Pawn
Timothy Zahn
Sold out
3.6
Track
The Hunt
Megan Shepherd
Sold out
3.8
Track
Red's Planet
Eddie Pittman
Sold out
3.8
Track
Nova War
Gary Gibson
Sold out
3.7
Track
Unto Leviathan
Richard Paul Russo
Sold out
3.8
Track
Hellhole Awakening
Brian Herbert
Sold out
3.8
Track
Under Nameless Stars
Christian Schoon
Sold out
3.8
Track
A Half-Built Garden
Ruthanna Emrys
Sold out
3.5
Track
Any Sign of Life
Rae Carson
Sold out
3.8
Track
Ashfall Legacy
Pittacus Lore
Sold out
3.7
Track
Greensmith
Aliya Whiteley
Sold out
3.7
Track
James Cameron's Avatar Tsu'tey's Path
Hanes Walton
Sold out
3.8
Track
Take Back the Sky
Greg Bear
Sold out
3.4
Track
