Unit One 1
1.Garage Sale 1
2.The American Visitor 7
3.Ruthless 14
Unit Two 20
4.Don't Wait to Give Daddy a Hug 20
5.Better Known as Mark Twain 27
6.The Boat of Noah 35
Unit Three 45
7.I Never Forget a Face 45
8.The Youngest Painter in the World 53
9.Picasso and His Pictures 64
Unit Four 71
10.Richard Nixon's Childhood 71
11.The Importance of Just Being There 79
12.Where Do Dreams Come from？ 89
Unit Five 100
13.After Twenty Years 100
14.The Bermuda Triangle 111
15.Washington,D.C 123
Unit Six 137
16.A Young Detective's Adventures:The Deaths of the Three Mrs.Fitches 137
17.A Young Detective's Adventures:Looking for Clues 147
18.A Young Detective's Adventures:The Mystery 159
Unit Seven 169
19.Sam and His Store 169
20.Today's Dropouts 178
21.One Million Dollars 186
Unit Eight 196
22.First Teacher in Outer Space 196
23.The Honor Code 206
24.A Double-Dyed Deceiver 219
Unit Nine 232
25.Port Royal 232
26.Creative Justice 242
27.The Midnight Visitor 251
Unit Ten 262
28."Dad,Why Did You Do It？" 262
29.The First Thanksgiving 272
30.Here They Come 285