Pradas, N?ria

Twelve-year-old Victor, having been transported to land of the Vikings by a green scarab, where he is captured and enslaved by Asgerd and goes on a journey to discover Greenland lead by the Vikings.

Twelve-year-old Victor, having been transported to the land of the Mayans, becomes a koknom a bodyguard for a young prince named Pakal.

Twelve-year-old Victor, having been transported to ancient Egypt by a green scarab, embarks on a series of dangerous adventures with Thutmose, a youth destined to be the pharaoh of Upper and Lower Egypt.

"Laura Castillo is a strange girl. She's bored in and outside of class, and she thinks she's ugly ... Black Soul is a green-eyed, jet-black-haired beauty. Determined and sure of herself, she is one of the stars of Teen World, the virtual world thousands of teenagers immerse themselves in to avoid reality. But the atmosphere of Teen World has become tense; a group of rebel avatars, led by the vain Klar Pink, is sabotaging the game. Laura and Black discover that, despite appearances, they have much in common"--Amazon.

On the way from work to his date with his girlfriend Elena, Marc crosses paths with a mysterious woman with black hair who steals his wallet, and he follows her. Marc never reaches his destination, and after the police prove to be less than helpful, Elena and Marc's brother Guille begin their own investigation.