The Hunt for Planet Nine

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.

Isabel Thomas is a science writer and the author of a galaxy of books for young audiences. They include Moth: An Evolution Story, which won the AAAS/Subaru Prize for Excellence in Science Books, and Exploring the Elements, a Waterstones and New York Times Book of 2020. Isabel also writes for science magazines and creates STEM outreach resources for organisations such as the Wellcome Sanger Institute and the BBC.