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.


After astronomers discover a strange object in space filled with energy crystals that can transform human abilities, a new age of Space exploration begins! Conditions back on Earth have grown hostile, and young Rhea Halley’s world is turned upside down. As people rush to evacuate the Earth, where will Rhea go?


Ruby/Band 14 books give increasing opportunities for children to develop their skills of inference and deduction.


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.

Illustrated by: Kevin Hopgood
Prepared for publication by: