CONTENTS 1
Unit One 1
1．Garage Sale 1
2．The American Visitor 7
3．Ruthless 13
Unit Two 19
4．Don't Wait to Give Daddy a Hug 19
5．Better Known as Mark Twain 26
6．A Bad Scene 35
7．I Never Forget a Face 42
Unit Three 42
8．The Young Painter in the World 50
9．Picasso and His Pictures 56
Unit Four 62
10．The Shop Window（1） 62
11．The Shop Window（2） 67
12．Where Do Dreams Come from？ 73
Unit Five 79
13．“Pigs Is Pigs” 79
14．The Bermuda Triangle 88
15．Washington，D．C． 96
16．My Adventures—As a Young Detective：The Deaths of the Three Mrs．Fitches 104
Unit Six 104
17．My Adventures—As a Young Detective：Looking for Clues 110
18．My Adventures—As a Young Detective： 117
The Mystery 117
Unit Seyen 123
19．To Live without Working（1） 123
20．To Live without Working（2） 131
21．One Million Dollars 137
Unit Eight 145
22．Leisure 145
23．After Twenty Years 155
24．A Double-Dyed Deceiver 163
Unit Nine 169
25．Port Royal 169
26．Creative Justice 177
27．The Midnight Visitor 186
Unit Ten 193
28．Here They Come（1） 193
29．Here They Come（2） 202
30．Here They Come（3） 212
Key to Summaries 223