Contents 1
Unit One 1
Unit Two 8
Unit Three 15
Unit Four 22
Unit Five 28
Unit Six 36
Unit Seven 43
Unit Eight 49
Unit Nine 55
Unit Ten 62
Unit Eleven 68
Unit Twelve 74
Unit Thirteen 79
Unit Fourteen 85
Unit Fifteen 90
Unit Sixteen 98
Unit Seventeen 107
Unit Eighteen 113
Tape Script 119
Unit One 119
Unit Two 122
Unit Three 125
Unit Four 128
Unit Five 131
Unit Six 134
Unit Seven 137
Unit Eight 140
Unit Nine 143
Unit Ten 146
Unit Eleven 150
Unit Twelve 154
Unit Thirteen 157
Unit Fourteen 161
Unit Fifteen 164
Unit Sixteen 169
Unit Seventeen 174
Unit Eighteen 178
Unit Thirteen 180
Key for Reference 183
Unit One 183
Unit Two 183
Unit Three 184
Unit Four 185
Unit Five 185
Unit Six 186
Unit Seven 186
Unit Eight 187
Unit Nine 188
Unit Ten 189
Unit Eleven 189
Unit Twelve 189
Unit Fourteen 190
Unit Fifteen 191
Unit Sixteen 192
Unit Seventeen 193
Unit Eighteen 194