Siglo XXII: El futuro del espacio (22nd Century: Future of Space)

Read Along or Enhanced eBook: Encourage readers to discover which foods are healthy for them and how to make the best food choices with this Spanish-translated nonfiction title. Featuring helpful charts and diagrams, interesting facts, informational text, and vibrant, detailed photos, readers are introduced to important concepts such as main food groups, proteins, carbohydrates, fiber, the recommended daily amounts, food allergies, and health concerns. With supportive and helpful language, readers are encouraged to make healthy eating choices to help keep them active, energetic, and strong.

Primer volumen de la compilación de la correspondencia del autor de Rayuela . Unas cartas que pueden leerse como diario personal, autobiografía o cuaderno de bitácora de sus libros. «Odio las cartas literarias , cuidadosamente preparadas, copiadas y vueltas a copiar; yo me siento a la máquina y dejo correr el vasto río de los pensamientos y los afectos», escribió Julio Cortázar en 1942: una declaración de principios que mantuvo siempre. Con curiosidad permanente, Cortázar da cuenta de todos los aspectos de su actividad como escritor, de sus desvelos políticos y sus vaivenes...

Discusses the physical characteristics, feeding and mating behavior, interaction with humans, and habitat of whales.

Simple text and photographs describe the life of Michelle Obama. Michelle Obama became First Lady on January 20, 2009. But before she lived at the White House, she was a powerful lawyer. Learn about her childhood, education, and goals as first lady of the United States.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a class makes a budget so they can afford a field trip at the end of the month. This nonfiction title is paired...