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Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

Lecturas graficas DE IMPACTO combine engaging topics, exciting illustrations, and carefully leveled text, appropriate for young readers. This series includes titles from a variety of genres-nonfiction, adventure, mystery, riddles, etc.-and provides cross-curricular connections to Math, Social Studies, and Science topics.

Carmen Posadas, fiel a su estilo brillante e irónico, nos habla de este sentimiento universal llamado amor, un sentimiento tormentoso cuando no es correspondido, contaminado cuando aparecen los celos, el narcisismo, la venganza o el adulterio, ansiado cuando parece alejarse.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.