Start with high-confidence what we can know books, then narrow by subgenre or adjacent topics.
On Certainty
Ludwig Wittgenstein, G. E. M. Anscombe
Becoming Animal
David Abram
The Order of Things
Michel Foucault
Principles of Philosophy
René Descartes
Essays in Radical Empiricism
William James
The Meaning of Truth
The Critique of Judgement
Immanuel Kant