Discover 20 inspirational stories about world-changing women in STEM (Science, Technology, Engineering and Maths). From ancient Mesopotamia to present-day Kenya, you''ll see how female scientists and inventors throughout history have turned their ideas into important inventions and discoveries that still help and inspire people today. After reading their stories, you can practise your own STEM skills with 12 simple step-by-step experiments. Activities include: making a fossil, setting off a chain reaction, playing the ''smell test'' game, and even measuring something that you can''t see! A truly inspiring non-fiction book about women in STEM!