Unit 1 1
1．Bozo Finds a Friend 1
2．The Greatest Magician Harry Houdini 4
3．Diamonds or Glass? 7
Unit 2 10
4．Dox—A Great Police Dog 10
5．Hitting the Books 13
6．A New Notice 17
Unit 3 20
7．Fire! 20
8．Sesame Street 24
9．Mrs Wilson's Fish Dish 27
Unit 4 30
10．An Unusual Notice 30
11．An Unknown Dance 34
12．Playing Hide-and-seek 37
Unit 5 40
13．Archimedes and the Crown 40
14．A Happy Man's Shirt 44
15．The Policeman and the Thief 48
Unit 51
16．Four Beautiful Things About Hawaii 51
17．Flying Saucers 54
18．No Reaaon to Be Afraid 57
Unit 6 60
19．My Grandfather's Watch 60
20．Leonardo da Vinci 64
21．The Man Behind the Newspaper 68
Unit 8 70
22．The Girl on the Roof 70
23．A New Car—Model T Ford 75
24．Fire Making 80
Unit 9 83
25．A Valuable Hour 83
26．A Letter 88
27．My New Secretary 92
Unit 10 95
28．"The Peanut Man" 95
29．"Where's the Beef?" 101
30．My Experience at Rose Inn 105
Unit 11 108
31．The Spy in the Sky 108
32．The Donkey's Secret 113
33．The Carter's Light 117
Unit 12 120
34．Treasure from Flavius 120
35．The Revenge 126
36．A Clever Emperor 130