La civilización griega

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

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...

Practice nonstandard measurement at the zoo! This exciting, Spanish-translated title encourages readers to practice measuring their favorite zoo animals, such as elephants, giraffes, pandas, and more. A gorilla weighs the same as three men! When a cheetah runs, its stride length is the length of three men! An elephant weighs the same as three pickup trucks! Vivid images, fun practice questions, early STEM themes, and helpful mathematical diagrams make nonstandard measurement entertaining and easy for children to understand.

What do people and other living things need to survive? Numerous images with simple labels show children all the things we need to live and be happy, from water and food to shelter and love. An activity asks young readers to describe how they have fun.