1．How Do the Movies Do It？ 1
2．Remembering My Grandparents 9
3．My Flying Machine，Part Ⅰ 15
4．My Flying Machine，Part Ⅱ 21
5．Dear Doctor 27
6．Modern Conveniences 33
7．Modern Examinations 40
8．Scenes from Ninotchka，Part Ⅰ 48
9．Scenes from Ninotchka，Part Ⅱ 55
10．Why Does Food Cost So Much？ 61
11．Those Who Ride on Two Wheels 68
12．Trouble on the Oregon Trail，Part Ⅰ 75
13．Trouble on the Oregon Train，Part Ⅱ 82
14．Mysteries of the Sea 89
15．Breathing below the Surface of the Sea 96
16．Too Many Books 101
17．Special Schools 106
18．Too Young to Die 112
19．A Sympathy Note 117
20．Learning by Doing 121
21．Which Bus Goes to the Zoo？ 127
22．Visiting the Zoo 131
23．What People Don't Know about Air 136
24．A Look at the Future 142
25．Truck Driving：A Way of Life 149
APPENDIX 1 155
APPENDIX 2 161