Jenny Randles is National Director of Investigations at the British UFO Research Association. Peter Warrington is a Fellow of the Royal Astronomical Society and Editor of the Manchester Astronomical Society Journal of Record.

• Preface vii I The Past1 A Historical Perspective 12 The Evidence for UFO's 83 The Official Line Science in the Shadows 184 Transferring the Problem Science in the Ascendant 505 The Failure of Ufologists 676 Science and Skepticism 732 Current Investigation7 The Problem of Investigation 818 UFO Types: Some Examples 899 Unidentified Atmospheric Phenomena: Possible Explanations 11710 Alien Contacts: Over the Edge of Reality 1283 The Future11 The Way Ahead 15512 The Importance of UFO to Science 172APPENDIX: Code of Practice for UFO Investigators 193Bibliography 199Useful Addresses 207Index 209

Jenny Randles is National Director of Investigations at the British UFO Research Association. Peter Warrington is a Fellow of the Royal Astronomical Society and Editor of the Manchester Astronomical Society Journal of Record.

• Preface vii I The Past1 A Historical Perspective 12 The Evidence for UFO's 83 The Official Line Science in the Shadows 184 Transferring the Problem Science in the Ascendant 505 The Failure of Ufologists 676 Science and Skepticism 732 Current Investigation7 The Problem of Investigation 818 UFO Types: Some Examples 899 Unidentified Atmospheric Phenomena: Possible Explanations 11710 Alien Contacts: Over the Edge of Reality 1283 The Future11 The Way Ahead 15512 The Importance of UFO to Science 172APPENDIX: Code of Practice for UFO Investigators 193Bibliography 199Useful Addresses 207Index 209