Un día de trabajo de un biólogo molecular (A Day at Work with a Molecular Biologist)

Summer is the time for sunshine and sand, long days, and of course, vacation! Welcome in Summer with this delightful fiction title, which features a narrator and the fun activities they explore with their family and friends. Readers learn all about what makes Summer special and are encouraged to draw connections between the text and their own lives. Colorful illustrations allow readers to visualize concepts presented in the text, bringing this engaging narrative to life. Simple, age appropriate language is perfect for young readers.

Entra en este mundo de palabras y atrévete a definir tu esencia, tu camino; a entender la libertad, el amor y, lo más importante, la felicidad. Las palabras nos pueden ayudar a soñar o a herir profundamente. Las palabras representan lo que somos, dan forma a nuestros sentimientos y, aunque suene increíble, le otorgan significado a nuestra vida. Una palabra nos nombra, otra palabra define la tristeza, otra la felicidad, y sin su significado no entenderíamos el mundo que habitamos: comprender las significa tomar un camino nuevo en nuestra historia.

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.

Cuano eran ni�os, Sean Devine, Jimmy Marcus y Dave Boyle eran amigos. Un d�a, un extra�o coche se detuvo en su calle. Uno de los chicos subi� al coche, pero los otros dos no lo hicieron. Y sucedi� algo terrible, algo que acab� con su amistad y que les cambi� a los tres para siempre.Veinticinco a�os m�s tarde, Devine trabaja de detective para el Departamento de Homicidios, Marcus es un ex convicto que tiene una tienda de barrio, y Boyle intenta salvar su matrimonio y mantener sus demonios a raya: demonios que le incitan a hacer cosas terribles.Mystic River ha sido llevada al...