Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

These diaries feature the loves, friendships, and family lives of Pascualina and Aldonza, a.k.a Artilugia, providing positive messages and advice for adolescents. Each includes bookmarks, stickers, and plastic pocket pages for storing special items. This diary of Pascualina's younger sister, Aldonza, chronicles her attempt to reconnect with a lost love through the adoption of a gypsy alter ego, Artilugia. Estas agendas revelan los amores, amistades y la vida familiar de Pascualina y su hermanita Aldonza, también conocido como Artilugia, mientras proporcionan mensajes positivos y consejos...

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 debugging. 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 debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...

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...

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.