¿Hay algo mal en mí?

Grouping and classification are among the first math and science skills that children need to learn. This fun book will challenge children to observe natural creatures to see what makes them the same and different. It presents an interesting way of looking at objects, because the objects may not be exactly the same. For example, birds have two wings, but the wings of different birds may not look similar.

En 1926 el Frankfurter Zeitung propuso a Joseph Roth ir a la Unión Soviética y relatar su experiencia. Roth aceptó de buen grado el encargo puesto que el periplo que estaba a punto de emprender representaba la ocasión para conocer de cerca un país por el que siempre se había sentido atraído y que, tras la revolución, suscitaba también el interés de la mayoría de intelectuales europeos. Tras prepararse intensamente para el más largo de sus viajes como reportero, Roth partió al término del verano. Curioso, atento, avisado testimonio, visitó las grandes ciudades, siguió el curso...

Combines comedy and action in the final adventure of Tiffany Aching and the Wee Free Men as the young witch faces an insidious new foe, one who whispers threats of violence and quietly unleashes mayhem.

Planet Earth gives us the things we need to survive. When it changes, it affects us all. But humans also affect Earth. It’s important that we take care of our planet so that it can continue to take care of us. This Spanish nonfiction book explores the subjects of human ecology and climate change in depth, and introduces students to important scientific concepts and vocabulary like desertification, deforestation, carbon dioxide, erosion, drought, fossil fuels, the greenhouse effect, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text....