Text books (Digital Text). Para alumnos repetidores (cursos 14-15 y anteriores)
Here are the links to the pdf files.
1st ESO
drawing, views, cavalier, conical, materials, wood, metals, structures, simple machines, motion, electricity, electricity workshop, hardware,
3rd ESO
drawing (views, cavalier, conical), plastics, spreadsheets, stones, electricity, electronics, robotics, energy,