¿Por qué celebramos el Día de Martin Luther King Jr.? (Why Do We Celebrate Martin Luther King Jr. Day?)

Find out what sets the human life cycle apart from other living things in this informative, Spanish-translated nonfiction title. With intriguing facts, informational text, and vibrant photographs, children will be introduced to the biological phases of our life cycle--from infancy to adulthood.

La increíble historia de la imposible caza y captura de la alegría resulta una novela paródica de calado contemporáneo, donde el humor sirve de antídoto ante la tragedia y se inspira en los sucesos de la “primavera árabe” y las experiencias de su autor, vinculado con los rebeldes libios que derrocaron al dictador Muamar el Gadafi. La historia de la búsqueda y captura de la alegría es un símbolo de los intentos de los poderosos por domeñar a los pueblos y de la imposibilidad de detener las aspiraciones humanas de conquistar un mejor futuro.

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.

Consolidates the Student's Book lessons with targeted practice, unit by unit Additional practice of reading, writing, speaking, listening and use of English skills Extensive grammar and vocabulary practice Complete practice exam in Unit 10 Designed for independent study at home and practice in class Audio for listening lessons available on the Student's App