Libros de repaso de matemáticas. Para primeros cursos de la eso (geometría, fracciones, etc) a recoger en la zona antonio machado/valdezarza (línea 7 del metro).
nolotiro.org is a website where you can give stuff for free or find free second hand stuff: furniture, chairs, bicycles, computers, laptops, tables, beds, clothe, toys, mobile phones and many other stuff you don't want or need, so other people can recycle it and give it a new life.