Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
In this fifth book from the Adventures of the STEAM Machine series, Amy and the other students are excited to learn how the abacus and other math tools work. What will the Super Solvers share during a visit to the school?