Atlas visual del mundo

Expressive language by the Mexican ballerina, choreographer, and teacher explores what she calls the "poetry of images" in Puebla--a classical ballet and an interpretative modern dance with multiple people forming a slithering snake across the stage--accompanied by a series of stunning black and white photographs that capture the variety of expression and the fluid grace of the dancers.

Quizá los trilobites no sean tan espectaculares como los grandes dinosaurios. Sin embargo, estos pequeños seres prehistóricos –los cuales vivieron durante el periodo Cámbrico, es decir hace 542 millones de años–, tienen mucho que decirnos sobre el pasado remoto de la Tierra y sobre los seres vivos en general. Su fascinante anatomía, por ejemplo, guarda curiosas similitudes con otros animales y con un sinfín de objetos de uso común hoy en día. Este ameno libro toma a los trilobites como tema para hablarnos de la biología pero también de ingeniería. Los autores se refieren lo...

Read Along or Enhanced eBook: Introduce readers to some of the most well-known criminals and tyrants of the past with this fascinating, Spanish-translated nonfiction book! Featuring intriguing facts and theories, colorful images, and informational text in conjunction with a glossary of terms, a bibliography, and a list of helpful websites with more information, readers will want to learn all they can about ancient history and the bad guys and gals from the past.

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.