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. Skyscrapers tower over our cities, but how are they built and what are they made of? Explore these fascinating buildings and discover some surprising facts about how they're made. Ruby/Band 14 books give increasing opportunities for children to develop their skills of inference and deduction. Ideas for reading in the back of the book provide practical support and stimulating activities.