|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||2 days ago||42.1||$25.36||You save $16.74|
|Amazon US||5 days ago||25.88||$25.36||You save $0.52|
"I read the manuscript aloud to children age 10-15. They understood the material quite well and enjoyed the humor. It is interesting from a historical point of view--I learned a lot myself!--and it provides a basic understanding of the periodic table and atomic theory."