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 eBooks are also available.Britain, 1940. The Blitz. For 12-year-old Ellie and her brothers, it's not just about surviving the bombing, it's trying to solve the mystery of the enemy within. Who's attacking local people, and why?Diamond/Band 17 books offer more complex, underlying themes to give opportunities for children to understand causes and points of view.