Can you recommend some books about aliens fiction?

There are quite a few. 'Rendezvous with Rama' by Arthur C. Clarke is a must - read. It's about a huge alien spacecraft that enters our solar system. 'The Andromeda Strain' by Michael Crichton, while more focused on a threat from outer space, has elements of alien - like microorganisms. Also, 'Childhood's End' by Arthur C. Clarke is a profound work that deals with the arrival of an alien race and the transformation of humanity.

There's also 'Space Case'. Set on a moon base, it involves a mystery that may be related to aliens. The characters are engaging, and the plot keeps kids interested as they try to figure out what's really going on.

Well, 'Contact' by Carl Sagan is a great alien - fiction book. It's about a scientist who discovers a signal from outer space and her journey to make contact with the aliens. And then there's 'A Fire upon the Deep' by Vernor Vinge. It features various alien species with different levels of intelligence in a vast galactic setting.

Then there's 'Hyperion' by Dan Simmons. It has a complex narrative that involves different characters and their encounters with an alien force known as the Shrike. The book is full of mystery and explores deep themes while also presenting some very unique alien - related concepts.

Well, if you're just starting out, 'Rendezvous with Rama' is a great book to pick up. It's a fascinating exploration of an alien object. The story is well - paced and not overly complicated. 'Hyperion' is another one. Although it has a lot going on, the parts related to the Shrike, the alien - like entity, are really captivating. And 'Childhood's End' is also good. It presents an interesting view of how an alien presence can change humanity in a way that is easy to understand for beginners.

Sure. One great book is 'Ender's Game' by Orson Scott Card. In it, there are alien species that play a crucial role in the story's conflict. Another is 'The War of the Worlds' by H.G. Wells, which is a classic about a Martian invasion. And 'Contact' by Carl Sagan also features the idea of making contact with extraterrestrial life.

One of the popular aliens fiction books is 'The Hitchhiker's Guide to the Galaxy' by Douglas Adams. It's a humorous take on the idea of different alien species in the universe. 'Childhood's End' by Arthur C. Clarke is another classic that deals with the arrival of an alien race and how it changes humanity. Also, 'Starship Troopers' by Robert A. Heinlein has some interesting portrayals of alien bugs that humans are at war with.

Another interesting book is 'Ancient Aliens: The Official Companion Book'. It delves deeper into the theories proposed in the 'Ancient Aliens' TV series, exploring various archaeological mysteries and how they could potentially be linked to alien visitations. It contains a lot of pictures and detailed explanations, making it a great read for those interested in this topic.

Another great book is 'Childhood's End' by Arthur C. Clarke. Here, the alien Overlords come to Earth and oversee the next step in human evolution. Their presence changes humanity in many ways and leads to a kind of spiritual and intellectual enlightenment.

For beginners, 'The Day of the Triffids' by John Wyndham could be a good choice. It has these strange plant - like aliens that take over the Earth. It's not too complex and is quite engaging. Also, 'Starship Troopers' by Robert A. Heinlein. It has a lot of action and introduces an alien species that the humans are at war with. It's a good introduction to the military - style science fiction with aliens.