UNIT ONE 1
1．The Campers at Kitty Hawk 1
2．Treading Lightly 11
3．Why Leaves Turn Color in the Fall 21
UNIT TWO 28
4．Which Way to Energy Utopia? 28
5．How Animals Know Which Way to Go 37
6．"Is Everybody Happy?" 46
UNIT THREE 53
7．The Real Sherlock Holmes 53
8．The Deadliest of the Sins 61
9．The Monster 68
UNIT FOUR 74
10．More than Just a Shrine:Paying Homage to the Ghosts of Ellis Island 74
11．Leading Men 82
12．Farewell,My Unlovely 90
UNIT FIVE 97
13．Pages from the Life of a Georgia Innocent 97
14．Miss Brill 105
15．The Gift of Gift-Giving 113
UNIT SIX 120
16．Super Mom in the Suburbs:A Cautionary Tale About How to Be Neat,Clean,Cheerful,Organized—and Friendless 120
17．The Time Keeper 128
18．Diogenes and Alexander 136
UNIT SEVEN 145
19．Cryptography on the Front Line 145
20．A Space Iliad:The Star Wars War:I 153
21．In Praise of Flattery 161
UNIT EIGHT 169
22．Prison of Socrates 169
23．Sightseer 176
24．Defining Creativity for Everyone to See Wasn't Exactly Easy 184