I love sci fi books and have a large collection of audiobooks. I love the big concepts that sci fi writing explores and how new technologies or concepts would affect our lives. These are the ideas that bring us out of the day to day challenges of lif...
Book 1 has some interesting concepts, diving into contact with an alien race, but books 2 and 3 introduce new, big ideas with implications for the whole universe.
The Three-Body Problem by Cixin Liu
Great book on how different philosophies for structuring a successful society.
Seveneves by Neal Stephenson
Not your typical horror novel. This one deals more with the impact of time travel and how some negative events may have been the lesser of two evils.
11/22/63 by Stephen King
This is the start of a series that appears to be just about an underclass overthrowing the ruling class, but it also explores the cultural dynamics of what happens after the overthrow. Also, throw in concepts about the nature of people.
Red Rising by Pierce Brown
How often have you wondered what you would do if you went back to your younger self with knowledge of today? This book explores that concept and makes you reevaluate the meaning of your life.
Recursion by Blake Crouch
This and the Ender's Shadow line of sequels are the best books I have read for getting into someone else's head and anticipate their actions. Changed my way of thinking about other people.
Ender's Game by Orson Scott Card
Good story about a positive, collaborative first contact with an alien species. Now a very well done major motion picture.
Project Hail Mary by Andy Weir
Big concepts and concerns with a generation ship approach to interstellar travel.
Orphans of the Sky by Robert A. Heinlein
I have seen other sci-fi explore the multi-verse concept. These books go deeper into the concept than any other I have read. It explores implications of distance between dimensions and even the ultimate source of the multiverses.
Pandominion Series 2 Books Set by M.R. Carey
A deep story about humanity's transcendence and our destiny as a species. It treats it as both good and bad, as our capabilities expand but our individual consciousnesses reduce.