Lift the flaps to discover what light is, where it comes from and how it works, from rainbows and reflections to lightyears and lasers. Then...
You'll never guess what doctors call tummy rumbles or how many smells your nose can recognise, and did you know that you could catch a...
People talk a lot about germs, but what actually are they? Open the pages of this friendly book to find out. Discover what bacteria and...
KNIHY PRE KAŽDÉHO s.r.o
