Can you recommend some best early science fiction novels?

For beginners, I'd recommend 'The War of the Worlds'. It's a very accessible book that tells an exciting story of an alien invasion. Also, 'Twenty Thousand Leagues Under the Sea' is great. You get to explore the underwater world through the eyes of the characters. And 'A Princess of Mars' can be a fun read as it takes you to a different planet.

In the realm of early science fiction novels, 'Metropolis' by Thea von Harbou is quite remarkable. It not only presents a fascinating vision of a future city but also delves into social and class issues. 'We' by Yevgeny Zamyatin is another important early work. It anticipates many dystopian ideas that became more common later. 'The First Men in the Moon' by H.G. Wells is also a great one. It's a story of lunar exploration that combines scientific speculation with adventure.

One of the famous early science fiction books is 'War of the Worlds' by H.G. Wells. It describes an alien invasion on Earth, which was really a revolutionary idea at that time. 'A Connecticut Yankee in King Arthur's Court' by Mark Twain also has some elements of science fiction as it involves a modern man traveling back in time to the era of King Arthur.

One of the early eco science fiction works is 'The Lorax' by Dr. Seuss. It tells a story about environmental destruction through the character of the Lorax who speaks for the trees. It's a simple yet powerful tale.

Sure. 'Starship Troopers' by Robert A. Heinlein is a great one. It explores military life in a science - fictional universe. Then there's 'A Canticle for Leibowitz' by Walter M. Miller Jr., which is set in a post - apocalyptic world with a strong religious undertone. 'Slaughterhouse - Five' by Kurt Vonnegut also has science - fiction elements and is a unique take on time and war.

Definitely. 'Alif the Unseen' is a wonderful 2013 science fiction novel that blends different elements well. 'The Golem and the Jinni' is a great read. It creates a vivid world with its mythical creatures. 'Zone One' is a great zombie - related science fiction novel from 2013 that offers a fresh perspective on the genre.

One of the great 2018 science fiction novels is 'The Calculating Stars' by Mary Robinette Kowal. It's set in an alternate history where a meteorite hits the Earth, and it focuses on a female pilot's fight for equality in the space race. Another is 'Record of a Spaceborn Few' by Becky Chambers. It explores the lives of ordinary people living in a vast galactic community. And 'Annihilation' by Jeff VanderMeer is also notable. It takes readers on a strange and mysterious journey into Area X, a place full of odd and dangerous phenomena.

I would also recommend 'Hyperion' by Dan Simmons. It has a frame - story structure where different characters tell their own tales on a pilgrimage to the Time Tombs on the planet Hyperion. The stories are diverse, ranging from a soldier's love story to a scholar's encounter with an alien intelligence, and the overall mystery of the Shrike is very engaging.

A great one is 'Ender's Game' by Orson Scott Card. It follows the story of Ender Wiggin, a child prodigy trained to fight in a future war against an alien race. It explores themes of leadership, morality, and the cost of war.

One of the best early science fiction works is 'Frankenstein' by Mary Shelley. It explores themes of creation and the consequences of playing God. Another is Jules Verne's 'Twenty Thousand Leagues Under the Sea', which took readers on an amazing underwater adventure with Captain Nemo. And H.G. Wells' 'The War of the Worlds' is also great. It describes an alien invasion in a very vivid and terrifying way.