La compra de Luisiana (The Louisiana Purchase)

Un lápiz que se dedica a realizar garabatos en todas partes, huye de una goma que lo persigue para borrar sus garabatos, atónita ante el hecho de que el lápiz no sea capaz de expresarse escribiendo o dibujando cosas bellas. La goma decide visitar al sacapuntas y exponerle su rechazo al hecho de que el lápiz no haga buen uso de su poder.

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for...

"Este libro gigante con paginas desplegables y atractivas fotografias hara que tu hijo desarrolle su destreza manual y aprenda sobre todo tipo de maquinas"--From publisher's description.

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.