Barcos de rescate

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Un juego que atraviesa los siglos sin envejecer: Monika Beisner ha seleccionado las más bellas adivinanzas de las tradiciones de todos los países. Los niños pueden jugar a encontrar en las bellas ilustraciones de Beisner las soluciones ocultas de los acertijos. Las traducciones del poeta José Emilio Pacheco le dan ritmo y encanto a los textos.

Horns, Humps, Or Hooks Are Found On A Wide Assortment Of Animals. This Book Provides Information On How These Special Body Parts Are Used And Why They Are Important.

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.