The most popular metaphysics books of 2026

Metaphysics asks what the world is really like. Time, cause and effect, free will, identity and why there is something instead of nothing are its puzzles. These books are demanding and rewarding, and they will change how you look at the most ordinary things. This list shows the ones first published in 2026.

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Selves in Doubt
Cover of Selves in Doubt

Selves in Doubt

Eli Hirsch, Professor of Philosophy Eli Hirsch

Published 2026

200 pages