El ciclo del nitrógeno (The Nitrogen Cycle)

Introduce little ones to the vowels through the help of La Catrina in both English and Spanish! Don't forget to round out the o for ofrenda, and carefully sound out your i for iluminación just in time to light the way to the celebrations. Inspired by one of the strongest icons of Día de Muertos or "Day of the Dead," this book introduces little ones to the vowels in both English and Spanish - and teaches them to recognize them by the sound they make! This book is perfect for parents to guide their little ones through the vowels in both English and Spanish, as well as introduce them to the...

Son muchas las patologías que afectan a la mujer, tanto en el tracto genital como en la glándula mamaria, para detectarlos se llevan a cabo una serie de pruebas entre la que cabe destacar la citología. La citología se dedica al estudio de la célula y a través de ella se puede obtener información sobre muchas alteraciones y patologías. Este libro aporta los conocimientos suficientes acerca de la obtención, procesamiento e interpretación de las muestras citológicas así como las principales características de las diversas patologías que se puede detectar a través de ella. Índice...

Henna is more than an ancient art form. It is a symbol of hope. Explore the meaning of henna. Learn the basics, and then design your own henna patterns. Are you ready to get started? This full-color nonfiction reader will engage students in reading while introducing them to new vocabulary terms and concepts. Important text features include a glossary and a table of contents to develop students' comprehension and literacy skills. This Spanish book aligns with national and state standards and features exciting TIME For Kids content to keep English language learners engaged in learning.

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.