Chapters in this book

1. Frontmatter i
2. Contents vii
3. Illustrations ix
4. Prologue 1
5. 1. What Is the Upper Limit? 6
6. 2. Building Perceptual Range 19
7. 3. When Paths Disappear 30
8. 4. Horizon Work 47
9. 5. “Throw Away Your Mental Slides” 63
10. 6. “You Can’t Take Fire Away” 79
11. 7. Witnessing Professionals 94
12. 8. “Waiting for a Reality Response” 108
13. 9. Going through the Porthole 125
14. 10. Beneath the Airshow 139
15. Horizon Work in a Time of Runaway Climate Change 149
16. Acknowledgments 157
17. Note 161
18. Bibliography 177
19. Index 197
20. A Note on the Type 209