Why String Theory?

Chapter in WHY STRING THEORY?, (2016) 227-236

Why Strings? Cosmology and Particle Physics

Chapter in WHY STRING THEORY?, (2016) 155-178

Why Strings? Mathematics

Chapter in WHY STRING THEORY?, (2016) 137-153

Why Strings? Quantum Gravity

Chapter in WHY STRING THEORY?, (2016) 179-192

Why Strings? Quantum Field Theory

Chapter in WHY STRING THEORY?, (2016) 109-135