PRINTED IN U. S. A.

“I’M GOING TO PUT MY CAMEO PIN INSIDE THIS ONE,” PENNY SAID.
“Saboteurs on the River” ([See Page 189])

CONTENTS

CHAPTER PAGE [1 TROUBLE AFLOAT] 1 [2 FRONT PAGE NEWS] 11 [3 STRAIGHT FROM THE SHOULDER] 21 [4 AN UNWARRANTED ATTACK] 28 [5 HELD ON SUSPICION] 36 [6 OLD NOAH] 44 [7 ARK OF THE MUD FLATS] 54 [8 THE GREEN PARROT] 62 [9 A JOB FOR MR. OAKS] 70 [10 SALVAGE AND SABOTEURS] 78 [11 PURSUIT BY TAXI] 86 [12 JERRY’S DISAPPEARANCE] 94 [13 A VACANT BUILDING] 101 [14 TEST BLACKOUT] 110 [15 A DRIFTING BARGE] 120 [16 DANGER ON THE RIVER] 127 [17 A STOLEN BOAT] 134 [18 PENNY’S PLAN] 145 [19 STANDING GUARD] 153 [20 A SHACK IN THE WOODS] 163 [21 THROUGH THE SKYLIGHT] 170 [22 A SEARCHING PARTY] 177 [23 HELP FROM NOAH] 184 [24 A MESSAGE IN THE BOTTLE] 193 [25 A BOW IN THE CLOUD] 201

CHAPTER
1
TROUBLE AFLOAT

A girl in blue slacks, woolen sweater and tennis shoes strode jauntily along the creaking boards of the dark river dock. A large white cotton bag slung carelessly over one shoulder added to the grace of the lithe young figure.

“Hi, Penny!” called a young man who tinkered with the engine of a motorboat. “Out to bury the body?”

Penny Parker chuckled and shifted the bag to the opposite shoulder. “Just thought it would be a good night for a sail, Bill. Have you seen Louise Sidell sneaking around anywhere?”

Before the young sailor could answer, a voice shouted from the darkness, “Here I am!”