The main character of this series is a 10 years old boy, Sourena. He is into video and computer games; one day he receives a weird e-mail: The e-mail is a warning about the extinction of dinosaurs. The dinosaurs need his help. In each volume of the series, Sourena faces different troubles and adventures and has to find a new solution to save the dinosaurs. This series is suitable for those children who like exiting and a little bit horror stories. Sourena and the dinosaurs have defeated the Barfisaurs. They begin celebrating, unaware of the upcoming dangers. Now, Sourena must go underground to fight another group of enemies.

Elham Mazarei was born in 1976. A graduate of microbiology, she decided to write books for children about since 2005. She has received some children book awards to this date.