The Train — Ann A. Guerra; Daniel Guerra

A boy from Switzerland received the unexpected visit of a mysterious train that took him to other equally mysterious worlds. While in there, his favorite super-hero, Boy-Link, spoke to him about a hidden link trap used by those who seized the family's fortune. As a Boy-Link, he has the Link to get his family's money back. And thus they could now cure his older sister of the strange desease that only a lot of money can cure.