Preface; Book I. The Animism of Common Sense: 1. Common sense and philosophy; 2. The animistic view of casual process; 3. Teleological animism; 4. Aesthetic animism; Book II. The Psycho-Physical Problem: 1. The nature of the psycho-physical problem; 2. Interactionism, parallelism, and materialism; 3. Parallelism versus interactionism; 4. Transition to the criticism of materialism; 5. Materialism incompatible with the general order of nature; 6. Materialism incompatible with the nature of causal process; 7. Materialism incompatible with the teleological order; 8. Transitional: the embodied self of self-consciousness; Book III. Knowledge of Physical Existence - Historical and Critical: 1. Typical theories; 2. The Kantian view; 3. The Kantian view (continued) - the transcendental object; 4. Criticism of typical theories; 5. Immediate knowledge and immediate experience; Book IV. Knowledge of Physical Existence - Positive View: 1. The perception of external objects; 2. How physical existence can be known - introductory; 3. The knowledge of physical existence as founded in sense-experience - the sensory continuum; 4. Contrast between immediate knowledge of sensa and of physical phenomena; 5. Primary and secondary qualities; 6. The activity factor; 7. Final treatment of the psycho-physical problem; Index.