CONTENTS 1
The Size of the United States 1
The Four Largest Cities 1
Schools in the U．S．A． 2
Two Great Men of Science 3
How Did the States Get Their Names？ 3
America in the Machine Age 4
Stone Walls in New England 5
Farm Life in the United States 5
American Youth 6
Which States Have the Most People？ 7
Educating TV Children 8
Ecology on a College Campus 8
Adults and Teenagers Together 9
A New Way to Fly 10
What Causes Waves？ 11
Women in the U．S．A 12
Automobiles in the U．S．A 12
The Congress of the the United States 13
Should There Be a Law？ 14
Women’s Liberation in the U．S．A． 15
Frank Lloyd Wright，an Artist in Architecture 16
The First Four Minutes 17
College Students Today 19
Who Smokes？ 20
The Life Style of a Rock Star 22
How New York Became America’s Largest City 24
Sesame Street 26
How Do the Movies Do It？ 27
Why Does Food Cost So Much？ 30
Those Who Ride on Two Wheels？ 32
Mysteries of the Sea 34
Breathing Below the Surface ofthe Sea 37
Special Schools 39
Learning by Doing 41
A Look at the Future 43
TruckDriving：AWayofLife 45
Why Don’t Girls Think Like Boys？ 47
The Old South—and the New 51
Learning How to Make Rain 55
Museums in the Modern World 59
How Television Programs Are Born 63
Clocks Through Time 68
The Voices of Time 71
The Man Who Made Mickey Mouse 74
The Education of Benjamin Franklin 79
A Matter of Honor 83
How Jazz Began 88
Doing Something About City Problems 93
The First Piano in a Mining Camp 96
Understanding Thunderstorms 103
Broadway and Beyond 107
Simple Habits，Deep Thoughts 112