This book explores numerical and narrative accounts of identity, through philosophical and non-philosophical perspectives.

1. Introduction; 2. Human persons: numerical identity and essence; 3. Human persons: narrative identity and self-creation; 4. Identity, what we are, and the definition of death; 5. Advance directives, dementia, and the someone else problem; 6. Enhancement technologies and self-creation; 7. Prenatal identity: genetic interventions, reproductive choices.