El violín de Auschwitz

Learn how people collect data for weather predictions, the U.S. government census, emergency rescues, and more! This Spanish-translated title teaches readers about data collection, approximation, and estimation through practical examples.

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

Carmen viajaba en un tren desde Barcelona cuando un cruce de miradas cambió su vida para siempre. Era 1933, y Federico Escofet y Carmen Trilla ?él, capitán del ejército; ella, una esposa atrapada en un matrimonio infeliz? tejieron una historia de amor que ni las habladurías, ni la guerra civil, ni el exilio lograrían deshacer, pero que dejó en los tres hijos de Carmen la huella del desarraigo.Basada en hechos reales, Sonsoles Ónega novela la historia de una mujer valiente que reconstruyó su identidad en una España donde a las mujeres no se les permitía amar y desamar. Una...

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products. This title supports NGSS for Engineering Design.