CONTENTS 1
1 A Happy Man 1
2 Secret Papers 4
3 De Witte Sends A Message 7
4 Death In The Street 10
5 Van Baerle Goes To Prison 14
6 Boxtel Follows 17
7 A Long Night 18
8 Gryphus Breaks His Arm 20
9 Led Out To Death 22
10 Saved！ 25
11 A Message To Dort 29
12 A Visit From Rosa 31
13 A Reading Lesson 34
14 The First Bulb 36
15 Cornelius Makes A Plan 40
16 Rosa 44
17 The Second Bulb 47
18 Gryphus Finds Nothing 53
19 Rosa Brings News 55
20 Watch！Watch！ 58
21 The Tulip Opens 61
22 Danger！ 63
23 The Tulip Is Stolen 66
24 Rosa Meets The President 69
25 The Prince Of Orange 73
26 The Prince And Boxtel 80
27 Where Is The Third Bulb? 84
28 The Prince Sends A Letter 89
29 Gryphus Gets A Beating 92
30 Cornelius Goes To Haarlem 96
31 The Feast Of Tulips 99
32 The Prince Arrives 101
33 The Prize 106
＊ ＊ ＊ 110
Vocabulary 110