Cada dólar marca la diferencia

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

This book's attractive combination of excellent color photographs and detailed illustrations will captivate young readers and hold their attention as they learn all about the animal kingdom. The child-friendly text highlights details that children are especially interested in to provide a thorough introduction to the major animal and insect groups. Text copyright 2004 Lectorum Publications, Inc.

"El cofre de Nadie" es una novela contundente, un "vuelve-páginas" que, con un estilo terso y sencillo, narra una historia apasionante de intriga y búsqueda de la propia identidad. Y todo ello, tocando de forma muy natural y fresca varios temas que están de plena actualidad: las relaciones amorosas de todo signo entre los jóvenes, el peligro de las relaciones posesivas y tóxicas, la influencia de las redes sociales, la adaptación a los nuevos tipos de familia...

Andrés está harto del colegio, de los granos, del rollo de su madre, de la plasta de su hermana, de Jorge el "birlanovias", de la vida en general y del profesor de historia en particular. Dani y él se han propuesto cambiar el mundo y hacen un conjuro que les hará inmunes a las fantasmadas de pijos, pelotas y demás aves carroñeras y los convertirá en héroes. Bueno, al menos eso es lo que estaba previsto. Si luego las cosas se tuercen...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.