|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||3 days ago||68.35||$45.33||You save $23.02|
|Amazon US||6 days ago||59.84||$45.33||You save $14.51|
"Teaching students how to think and reason is critically important if schools are to bring significant improvements to the knowledge, skills, and competencies needed to tackle the demands of 21st century schooling where students are expected to work with knowledge, explore ideas, collaborate, and adjust with flexibility to changing situations. -- Robyn M. Gillies "professor of education, University of Queensland"