A non-fiction section at the end of the book, co-written with Greenpeace to ensure it was accurate and safe, helped children better understand the issues at the heart of the story, as well as empowering them with ways people can help. 
To make sure we're practising what we preach wherever possible, we published with the incredible Ivy Kids at Quarto on 100% post-consumer recycled paper in the UK, Australia and the US, with all copies printed locally to their markets to avoid flying.