Description The new Wizards of Humor have arrived, led by one of the most prestigious and best-selling authors currently in Spain: Pedro Mañas. Frida McMoon is an intelligent but naive, stubborn, and somewhat clumsy girl. The story begins when Frida and the rest of her class are on their way to her city's Great Museum of Art, History, and Science. Frida is eager to visit the museum, but an incident with her teacher and her classmates will separate her from the group and she will stay trapped inside the museum... Only to discover that, at night, in the most unexpected corners of the building, a bunch of mysterious guests hide, and once everyone has left, they come out from their hideouts! Although at first they are reluctant to talk to her, Frida will eventually discover that the strange boys are actually... THE GUARDIANS OF TIME!