POWER BUILDER 1
1．18,000 FEET-AND NO PARACHUTE 1
2．SHE SIGNED DOLLAR BILLS 12
3．THE SCIENTIST AND THE SENSITIVE SNAKE 22
4．UNSOLVED MYSTERY—THE SEA 33
5．SLEEPWALKING—FACT OF FANCY？ 43
6．ABALONE SPELLS ADVENTURE 54
7．THE WORLD OF THE WANDERER 65
8．TWO LOAVES OF BREAD 76
9．CLUMSY WORLD FOR LEFTY 87
10．ZENOBIA QUEEN OF THE EAST 98
11．WINTER COMES TO THE ANIMAL WORLD 109
12．BEHIND SING SING WALLS 120
13．LOST OVER THE ATLANTIC 131
14．NEEDED:COLONISTS FOR SPACE 142
15．THE ROCK OF CHICKAMAUGA 153
16．THE STA？ 165
RATE BU？ 176
KEY 1 224
KEY 2 240