Novum organum ; New Atlantis / Sir Francis Bacon . Rules for the direction of the mind ; Discourse on the method ; Meditations on first philosophy ; Objections against the meditations and replies ; The geometry / René Descartes . Ethics / Benedict de Spinoza. -- 2nd ed. -- Encyclopædia Britannica, c1990. -- (Great books of the Western World / Mortimer J. Adler, editor in chief ; 28).