POWER BUILDER 1
1．A POUND OF BUTTER 1
2．ELSA KILLS A BUFFALO 11
3．A HOLE-IN-THE-GROUND HOBBY 20
4．THE WHISTLE LANG UAGE OF LA GOMERA 30
5．RUNAWAY TRAIN 40
6．LIVING UGHT 50
7．HOW STANLEY FOUND LIVING-STONE 60
8．THE MYSTERIOUS MAN-OF-WAR 70
9．TRUE TALE OF PIRATE TREASURE 80
10．HORACE GREELEY 90
11．JOHNNY SHILOH 100
12．T？TTLE PE？ 110
13．RES？E UNDE？ 120
14．SURPRISES ？ 130
15．WHICH WAS ？ 140
16．THE GIFT？ 150
RATE BUILDER 160
KEY 1 192
KEY 2 208