Collins Big Cat supports every primary child on their reading journey from phonics to fluency. Top authors and illustrators have created fiction and non-fiction books that children love to read. Book banded for guided and independent reading, there are reading notes in the back, comprehensive teaching and assessment support and ebooks available. Part of the Shinoy and the Chaos Crew non-fiction series, this information book ties into The Day the World Was Weighed Down. Find out the answers to questions you've always wanted to know about gravity. Have you ever wondered why gravity doesn’t weigh us down, or why astronauts can float in space? Find out all of the answers to these questions, and more!