Unit One 1
1．Garage Sale 1
2．The American Visitor 7
3．Ruthless 13
Unit Two 18
4．Don't Wait to Give Daddy a Hug 18
5．Better Known As Mark Twain 24
6．A Bad Scene 30
Unit Three 35
7．I Never Forget a Face 35
8．The Youngest Painter in the World 41
9．Picasso and His Pictures 41
Unit Four 49
10．The Shop Window(1) 49
11．The Shop Window(2) 49
12．Where Do Dreams Come From? 55
Unit Five 60
13．"Pigs Is Pigs" 60
14．The Bermuda Triangle 64
15．Washington D.C 67
Unit Six 72
16．My Adventures as a Young Detective:The Death of the Three Mrs．Fitches 72
17．My Adventures as a Young Detective:Looking for Clues 77
18．My Adventures as a Young Detective:The Mystery 81
Unit Seven 87
19．To Live Without Working(1) 87
20．To Live Without Working(2) 92
21．One Million Dollars 96
Unit Eight 101
22．Leisure 101
23．After Twenty Years 107
24．A Double—Dyed Deceiver 113
Unit Nine 118
25．Port Royal 118
26．Creative Justice 123
27．The Midnight Visitor 127
Unit Ten 133
28．Here They Come(1) 133
29．Here They Come(2) 139
30．Here They Come(3) 144