|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||4 days ago||28.69||$16.64||You save $12.05|
|Amazon US||today||16.93||$16.64||You save $0.29|
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.