CONTENTSUNIT 1 THE MIDAS TOUCH 1
UNIT 2 WHALES 13
UNIT 3 A WORLD TISSUE SERVICE 23
UNIT 4 ARCHITECTURE—ANCIENT AND MODERN 35
UNIT 5 GREAT WOMEN 46
UNIT 6 THE WORLD’S POPULATION 56
UNIT 7 TWINS 65
UNIT 8 THE SPACE SHUTTLE 75
UNIT 9 IMP RESSIONS OF LONDON 86
UNIT 10 MIND GROWTH 96
UNIT 11 MEMORY AND RECALL 107
UNIT 12 WHAT HAPPENED 65 MILLION YEARS AGO？ 117