La vergüenza del mastín

When Aunt Abigaíl reports on research into the human genome, Simón, Lucas, Isabel, and their friend Juana become involved in investigating the theft of a racehorse, terrorism, sabotage, and a very suspicious hospital.

"Miss Breakbone hates kids. When she takes Junkyard's special find, the Dunderheads swing into action. Readers will love seeing how they outwit their mean teacher."

"Tener miedo da mucho miedo, pero este libro no da miedo, sino que nos ayuda avencerlo. ¿Quieres saber más? Pues abre el libro, ¡sin miedo!, que voy a contarte..." -- from backcover.

The Pied Piper pipes a village free of rats, and when the villagers refuse to pay him for the service, he pipes away their children, as well.