|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||29.96||$16.53||You save $13.43|
|Amazon US||3 days ago||23.12||$16.53||You save $6.59|
Jack Challoner worked in the education department of the Science Museum, London. Since then he has written and lectured on a wide range of science topics and worked for two years on TV science shows for BBC Scotland. Jack is the author of more than 30 books.