The octopus has zero bones. A reader book about our amazing world. Richardson E.

I wonder... how many blows per hour are the heart of a black bear? How many times do you breathe and exhale in a day? How far will it be to fly to the moon and back? And to Saturn? How many meters from you to the clouds? What will happen if at the end of the number to add a few zeros? The book has answers to all these questions! And there are many more amazing facts about the numbers from 0 to 9 and about those that end with zeros - from 10 to 9,000,000,000. Get ready: when you love the number and want to count everything in the world - you will learn a lot about the world around them.

for preschool and primary school age.