Some great independent science fiction books include 'Altered Carbon' by Richard K. Morgan. It explores the concept of human consciousness being transferable between bodies. Then there's 'Ancillary Justice' by Ann Leckie. It has an interesting take on gender and artificial intelligence in a far - flung galactic empire. Also, 'The Three - Body Problem' by Liu Cixin is a must - read. It presents a fascinating view of alien contact and the response of humanity.
One of the very best is 'The Martian' by Andy Weir. It's about an astronaut stranded on Mars and his struggle for survival. The story is full of scientific details and the protagonist's ingenuity makes it a great read. Another is 'Hyperion' by Dan Simmons. It has a complex and multi - layered plot with a diverse group of characters on a pilgrimage. And 'Snow Crash' by Neal Stephenson is also excellent, with its unique vision of a future society where the metaverse exists.
Well, 'Ender's Game' by Orson Scott Card is a classic independent science fiction book. It delves into themes of war, leadership, and morality through the eyes of a child prodigy in a military training program. 'Starship Troopers' by Robert A. Heinlein is another good one. It looks at military life in a future where humans are fighting alien bugs. And don't forget 'Dune' by Frank Herbert. It's set in a complex universe with political intrigue, environmental themes, and a hero's journey.