Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
When a daring robbery strikes a crack passenger train, two teenage brothers find themselves drawn into a baffling mystery. The Flying Express-pride of the railroad-has been targeted by cunning thieves who seem to vanish without a trace, leaving authorities stumped and passengers shaken.The young detectives throw themselves into the investigation, following a trail of clues that leads from the railroad yards to suspicious characters lurking in unexpected places. As they dig deeper, they uncover a sophisticated criminal operation far more dangerous than a simple holdup. With each discovery, the stakes grow higher, and the brothers must use all their wits to stay one step ahead of ruthless adversaries who will stop at nothing to protect their scheme.Racing against time, the determined duo navigates treacherous situations, narrow escapes, and surprising twists. Can they solve the mystery before the criminals strike again-or will the thieves derail their investigation for good?
