|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||35.42||$24.10||You save $11.32|
|Amazon US||4 days ago||29.64||$24.10||You save $5.54|
Jack Challoner has written and lectured on a wide range of science topics. Dr Rodney Walshaw has worked for the British Geological Survey and edited several renowned geoscience publications.