* The Inner Citadel/Philosophy as a Way of Life by Pierre Hadot
* Plato's dialogues (someone already mentioned a few of them, but the Republic was missing from their list).
* Epictetus (Discourses and Enchiridion)
* The various essays/letters of Seneca
* Matter and Consciousness by Churchland (older, but fascinating)
* The Mediations of Marcus Aurelius
* (mostly) any Buddhist texts
* What a Plant Knows
* Moonwalking with Einstein
There are tons of fascinating books, way too many to list.
If you have any interest in memorization or mnemonics, it's a great read.
Absolutely. Even if you don't have an interest in the subject, it's worth a read. I honestly picked that book up out of random; I had no idea such a world of memory existed. Brilliant book.
Stolen Focus (Johann Hari) - About how we've lost (and can regain) the ability to focus due to technological distraction (currently social media, etc. but hasn't always been)
Chip War - History and geopolitical significance of the semiconductor industry
Modern environments and lifestyles have changed our jaw development dramatically, contributing to the high prevalence of sleep-disordered breathing (snoring through to obstructive sleep apnea), chronic tension, jaw joint problems, and orthodontic need.
A bit naive but fascinating narrative about how dopamine controls our feelings, addictions, and, basically, happiness.
A deep history of the making of the movie "Blade Runner". Very enjoyable if you liked the movie.
Its fascinating to discover how many thoughts and ideas they had which are still relevant in our societies today. Also, they are incredibly readable, its like taking part in on a conversation among friends.
Philosophy: about halfway through A Reading of Hegel's Phenomenology of Spirit by Quentin Lauer.
Memoir: last year read Journeys of the Mind: A Life in History by Peter Brown, The Story of a Life by Konstantin Paustofsky.