|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||2 days ago||28.7||$10.35||You save $18.35|
|Amazon US||4 days ago||17.54||$10.35||You save $7.19|
Emily Sohn is a freelance journalist in Minneapolis, who covers mostly health, science, environment and adventure for both kids and grown-ups. Among other publications, her work has appeared in U.S. News & World Report, the Los Angeles Times, Smithsonian, Backpacker and Science News for Kids, and she is a contributing writer for Discovery News.