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. Emerald/Band 15 books provide a widening range of genres including science fiction and biography, prompting more ways to respond to texts. On the way to the library with Mum, Ava finds a dragon in the sewer beneath the city....