Seven Small Inventions that Changed the World Teens25 Tao must decide whether to

Tao must decide whether to risk everything to save the family she never thought she could have

in an attractive updated edition Since its original publication in 1973

'The best book Hamilton has written in years' - Guardian 'Anyone who begins this won’t be able to put it down' - Publishers Weekly

the past and the future differ far less than we might think

Parent helps us rethink the ways we relate to our children

Seven Small Inventions that Changed the World Teens25 Tao must decide whether toTechnology and engineering surround us. From HUGE things, like spaceships and skyscrapers, to much smaller things like the toaster in our kitchen and the shoes on our feet. But all of these things only exist because of seven small inventions: the nail, the wheel, the spring, the magnet, the lens, the pump and string. And each of these inventions has a fascinating story to tell. Travel through centuries of history, through ancient Egypt, along the Silk