|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||yesterday||29.78||$16.22||You save $13.56|
|Amazon US||8 days ago||24.26||$16.22||You save $8.04|
Robin Kerrod is an experienced author of children's information books and a former winner of the COPUS science book prize. He writes widely on science, technology asnd the natural world.