Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
When Karina receives a mysterious letter accompanied by a miniature statue of the Greek god Hades on her birthday, it catapults her, Jeff, and their two friends into a whirlwind of dark secrets. Forced to acquire skills far beyond those of typical eleven-year-olds, they confront perilous challenges as they journey across Greece. Together, they embark on an unforgettable adventure that will test their wits and courage.