Human spaceflight: from Mars to the stars

Introduction

The human future in space

Lighting the path : solar sails and interstellar travel

Sailcraft in turbulent political and technical waters

The planetary society and solar sailing

Interstellar precursors and the 100 Year StarshipTM

A mission to the solar gravitational lens focus

Extending human presence, not humans

Creating a multi-planet species : humans to Mars

Stepping stones to Mars

Implications and conclusions

Appendix : a human Mars mission.