Inventions that Changed the World Penguin Readers Level 4

Inventors are special people. They see everyday objects and imagine something better. They solve old problems with new ideas. Their inventions can help people or destroy them, but only the greatest ideas will change the world. This book will tell you about many of the most interesting and important inventions, from 2500 xears ago to the present day.

1. audio
2. book PDF, 26,07 MB