Amri's father works in the most amazing job in the world - he invents patents. And it's happening again! Accidentally, the invention is much more successful than father planned. In the third book of the successful series "The Amazing Invention", Amri's father invents him an earphone that is supposed to read emotions. But... it turns out that the tiny headset gives Omari power over my senses - something that no one else in the world has. This time too he and his friend Yoav are keeping it a secret. How will the listener help Amri and Yoav to save Naa from the class boycott? Will D. 4 win the tiered performance competition? Gal Porat, born in 1973, an engineer and manager in high-tech for 20 years. Married and father of three. Aviel Basil, born in 1982, one of the top illustrators in Israel, married and father of two.