|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||today||54.9||$29.47||You save $25.43|
|Book Depository US||yesterday||32.45||$29.47||You save $2.98|
Jonathan Bergmann was a classroom teacher for 24 years. He now works with teachers, schools and corporations to help them rethink educational practice. He co-founded the Flipped Learning Network and FlippedClass.com. He received the Presidential Award for Excellence for Math and Science Teaching in 2002. Aaron Sams is an educational entrepreneur who co-founded the Flipped Learning Network and FlippedClass.com. He is adjunct professor at Saint Vincent College in Latrobe, Pennsylvania, and was a chemistry teacher in Colorado and California. He was awarded the 2009 Presidential Award for Excellence in Math and Science Teaching.