|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||4 days ago||67.46||$35.71||You save $31.75|
|Amazon US||yesterday||40.34||$35.71||You save $4.63|
|Book Depository US||today||35.88||$35.71||You save $0.17|
Clarissa Willis, Ph.D. has been working in the field of early childhood education for more than 20 years. Clarissa is a frequent keynote speaker and presenter at regional and national early childhood conferences. Her articles on child development and early childhood special education have been published both nationally and internationally.