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. Dinosaurs have been fascinating people for many years. Why and how did such powerful reptiles become extinct so suddenly? It is a puzzle that has mystified scientists for a long time. Help us to study the evidence and solve the puzzle! Lime Plus/Band 11+ books provide challenging plots and vocabulary as well as opportunities to practise inference, prediction and reading stamina. Pages 46 and 47 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. Claire has always been interested in prehistoric animals. It's fascinating to learn how the world's scientists study and discuss every single piece of evidence of the Earth's climate, rocks, animals and plants. It can't be easy studying things that happened so long ago.