This book is part of a book series called Snap Science .

This book is aimed at children in primary school.

This book was published 2014 by HarperCollins Publishers .

Liz Lawrence was widowed at the age of 38 and raised her two children alone. Now they are grown up, Liz works with people with learning disabilities. She lives in Banstead, Surrey. Jane Turner has been a practising teacher for the deaf for thirty years, experienced in teaching deaf/hard of hearing babies, toddlers and schoolchildren up to sixteen years of age. She specialises in the aural/oral rehabilitation of pupils with hearing aids or cochlear implants.