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.Levelled for guided and independent reading, each book includes ideas to support reading.Teaching and assessment support and s are also available. From helping the ocean waves rise and fall to keeping us from floating away, gravity plays a big role in our lives!Learn all about how gravity works and why it's so important for everything around us. Lime/Band 11 books have longer sentence structures and a greater use of literary language. Pages 30 and 31 allow children to re-visit the content of the book, supporting comprehension skills, vocabulary development and recall. Ideas for reading in the back of the book provide practical support and stimulating activities.