La fuerza y el movimiento (Forces and Motion)

Understanding light and color might seem impossible, but if readers already know the colors of the rainbow, they're part of the way there. Including the light spectrum, wavelengths, and other key concepts, this book tackles light and color for those falling behind in class because of their reading skills. The main text is written with these struggling readers in mind, accompanied by full-color photographs and diagrams to aid understanding. An extended glossary introduces and explains all the vocabulary readers need to continue learning about light and color.

[English] Explains many different ways that children can be fair and show fairness.[Spanish] A veces es difícil ser justos porque no siempre significa hacer las cosas "por igual". Es tratar a las demás personas como quieres que te traten a ti y tener en cuenta sus sentimientos. ¿Cómo eres una persona justa?

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

La incursión en las contradicciones de la conducta humana, la exploración de los recovecos más oscuros e inquietantes que habitan en todos nosotros es un territorio que pone a prueba la solvencia de los escritores más osados. La aclamada escritora británica Pat Barker, ganadora del Premio Booker, está unánimemente reconocida en su país como una autora de punzante lucidez, capaz de aproximarnos a los enigmas de la maldad con una sensibilidad y realismo subyugantes. El reportero Stephen Sharkey, personaje central de esta última novela de Barker, encarna como nunca esta tensión...