|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||22 days ago||29.63||$16.50||You save $13.13|
|Amazon US||1 days ago||21.29||$16.50||You save $4.79|
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.