Unidades de carga en el transporte

Germs Are Not for Sharing/Los gérmenes no son para compartir paperback (ages 4–7): Sneezes, coughs, runny noses, spills, and messes are facts of everyday life with young children. This book teaches kids what germs are, what they do, and why it’s so important to cover them up, block them from spreading, and wash them down the drain. Includes tips for parents and caregivers.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

Biddy Mason's life began as an enslaved person, but she became a successful nurse, midwife, and land owner. She left behind a legacy of caring and charity and influenced Los Angeles’s history. This Spanish biography builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and documents, these books are perfect for reports or projects. The Read ...

El objetivo de la presente antología es recopilar los artículos de Carlos Alvar sobre poesía castellana y lírica tradicional publicados desde 1976 a 2012. Supone una oportunidad de leer el conjunto de esta sección de su obra, no quedándonos en la especificidad de algunos análisis ni perdiendo alguna pieza de los procesos intrínsecos de convergencia que éstos suponen en la totalidad de su discurso crítico. Sus trabajos forman un discurso unitario y complejo, original, fundamental, como lo son sus estudios sobre la poesía inmediatamente posterior a 1350, en un momento clave para la...