DK 
DK Super Readers Level 2 Which Inventions Changed the World? [EPUB ebook] 

Use your reading superpowers to learn all about inventions that change how we live — a high-quality, fun, non-fiction reader — carefully levelled to help children progress. Which Inventions Changed the World? is a beautifully designed reader all about inventions that changed people’s lives — from helping us to navigate or communicate to keeping us healthy and safe.The engaging text has been carefully levelled using Lexiles so that children are set up to succeed.A motivating introduction to using essential non-fiction reading skills.Children will love to find out about inventions from the wheel to VR, from the printing press to vaccines and X-rays.