El ciclo del nitrógeno (The Nitrogen Cycle)

In June of 1870, Charles Dickens died before finishing his last novel, The Mystery of Edwin Drood. The ending of that novel would become one of the great literary enigmas of all time. In 2018 the filmmaker Hugo Almagro agrees to write a script about The Mystery of Edwin Drood.

Introducción biográfica y crítica. 1. Gabriel Celaya: hombre de un tiempo. 2. Gabriel Celaya: poeta en el tiempo. Noticia Bibliográfica. Bibliografía Selecta. Abreviaturas Utilizadas. Nota Previa. Trayectoria Poética. Antología. Índice de Primeros Versos. Índice de Poemas. Índice de Láminas.

Like the other Sasek classics, these are facsimile editions of his original books. The brilliant, vibrant illustrations have been meticulously preserved, remaining true to his vision more than forty years later and, where applicable, facts have been updated for the twenty-first century, appearing on a "This is . . . Today" page at the back of each book. The stylish, charming illustrations, coupled with Sasek’s witty, playful narrative, make these books a perfect souvenir that will delight both children and their parents, many of whom will remember them from their own childhood. In This is...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of data organization. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how data organization works in the real world. In this book, a class studies temperature throughout the course of a winter. This nonfiction book is paired...