Viernes 13 de noviembre en París. (Al pie del Bataclán minutos antes de los atentados)

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.

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

El alférez Francisco Arner está al mando de una sección en Tamucha, un puesto militar cercano a Ifni. Mientras, a muchos kilómetros de allí, en el palacio de El Pardo, Franco y sus ministros "organizan" la guerra. Una noche el aférez, junto con sus soldados, es enviado por su superior de patrulla nocturna. Con tan mala fortuna que es precisamente aquélla la noche escogida por los marroquíes para iniciar las hostilidades bélicas contra los puestos militares españoles de la zona. En diciembre de 1957 estalló la guerra entre España y Marruecos. Silenciada en su momento y...

Simple text and color photographs show what life is like on a ranch, covering cattle, corrals, roundups, and other topics.