Chapters in this book

1. Frontmatter i
2. PREFACE vii
3. CONTENTS ix
4. 1. The saucers start to fly 1
5. 2. Flying saucers seen from the air 11
6. 3. Flying saucers seen from the ground 23
7. 4. Hoaxers and jokers 39
8. 5. The scientific detective 49
9. 6. The flying–saucer scare of 1897 63
10. 7. The great saucer of 1882 83
11. 8. The unknown lights of Japan 94
12. 9. “Strange signes from Heaven” 106
13. 10. Flying saucers of the Bible 124
14. 11. The invasion from Mars 135
15. 12. The little men from Venus 149
16. 13. Sight and saucers 167
17. 14. How far away is a rainbow? 176
18. 15. Ice crystals in the sky 185
19. 16. Lenses of air 205
20. 17. The aurora borealis 225
21. 18. Comets, meteors, and other astronomical apparitions 243
22. 19. The galloping ghosts of radar 261
23. 20. Interplanetary saucers and space travel 272
24. 21. Visits to Mars and Venus 284
25. 22. What to do if you see a flying saucer 296
26. Appendix: THEORY OF MIRAGES 300
27. Notes 311
28. Index 315